Update README.md

README.md

@@ -37,7 +37,7 @@ A smaller portion of the dataset includes ORCs from existing NLP benchmarks, whi
 The dataset is provided as a tab-separated text file with the following information for each entry:
 - UniqueID: a numerical identifier for the entry;
 - ID-mapping: an identifier mapping for cross-referencing according to the CONDITION;
-- Source: the original reference from which the sentence has been taken.
+- Source: the original reference from which sentence1 has been taken.
 - Condition: The type of ORC, based on the features of the two NPs involved.
 - Sentence1: the first sentence containing the ORC;
 - Sentence2: the second sentence that may or may not be implied by sentence 1;