diff --git a/dataset_builders/pie/sciarg/README.md b/dataset_builders/pie/sciarg/README.md
index bfa5918f..0019bd63 100644
--- a/dataset_builders/pie/sciarg/README.md
+++ b/dataset_builders/pie/sciarg/README.md
@@ -136,8 +136,8 @@ possibly since [Lauscher et al., 2018](https://aclanthology.org/W18-5206/) prese
 
 | Relations                  | Count | Percentage |
 | -------------------------- | ----: | ---------: |
-| support: `support`         |  5789 |     74.0 % |
-| attack: `contradict`       |   696 |      8.9 % |
+| support: `supports`        |  5789 |     74.0 % |
+| attack: `contradicts`      |   696 |      8.9 % |
 | other: `semantically_same` |    44 |      0.6 % |
 | other: `parts_of_same`     |  1298 |     16.6 % |
 | total                      |  7827 |    100.0 % |
@@ -146,17 +146,17 @@ possibly since [Lauscher et al., 2018](https://aclanthology.org/W18-5206/) prese
 
 | Relations                  | Count | Percentage |
 | -------------------------- | ----: | ---------: |
-| support: `support`         |  5788 |     88.7 % |
-| attack: `contradict`       |   696 |     10.7 % |
+| support: `supports`        |  5788 |     88.7 % |
+| attack: `contradicts`      |   696 |     10.7 % |
 | other: `semantically_same` |    44 |      0.7 % |
 | total                      |  6528 |    100.0 % |
 
 ##### Argumentative relations
 
-- `support`:
+- `supports`:
   - if the assumed veracity of *b* increases with the veracity of *a*
   - "Usually, this relationship exists from data to claim, but in many cases a claim might support another claim. Other combinations are still possible." -  (*Annotation Guidelines*, p. 3)
-- `contradict`:
+- `contradicts`:
   - if the assumed veracity of *b* decreases with the veracity of *a*
   - It is a **bi-directional**, i.e., symmetric relationship.
 
diff --git a/dataset_builders/pie/sciarg/sciarg.py b/dataset_builders/pie/sciarg/sciarg.py
index 002a8fff..ea4ed7a0 100644
--- a/dataset_builders/pie/sciarg/sciarg.py
+++ b/dataset_builders/pie/sciarg/sciarg.py
@@ -35,7 +35,7 @@ def get_common_converter_pipeline_steps(target_document_type: type[Document]) ->
         trim_adus=TextSpanTrimmer(layer="labeled_spans"),
         sort_symmetric_relation_arguments=RelationArgumentSorter(
             relation_layer="binary_relations",
-            label_whitelist=["parts_of_same", "semantically_same"],
+            label_whitelist=["parts_of_same", "semantically_same", "contradicts"],
         ),
     )
 
diff --git a/tests/dataset_builders/pie/sciarg/test_sciarg.py b/tests/dataset_builders/pie/sciarg/test_sciarg.py
index 3a3ad8e0..2a1b1218 100644
--- a/tests/dataset_builders/pie/sciarg/test_sciarg.py
+++ b/tests/dataset_builders/pie/sciarg/test_sciarg.py
@@ -411,12 +411,12 @@ def test_converted_document(converted_document, dataset_variant):
                     ),
                 ),
                 (
-                    ("This approach is not commonly applied", "background_claim"),
-                    "contradicts",
                     (
                         "artists will edit the geometry of characters in the rest pose to fine-tune animations",
                         "background_claim",
                     ),
+                    "contradicts",
+                    ("This approach is not commonly applied", "background_claim"),
                 ),
                 (
                     (