Update README.md

README.md

@@ -1,6 +1,17 @@
 ## Overview
 Original dataset [here](https://github.com/felipessalvatore/NLI_datasets).
 
+Below the original description reported for convenience.
+```latex
+@MISC{Fracas96, 
+    author = {{The Fracas Consortium} and Robin Cooper and Dick Crouch and Jan Van Eijck and Chris Fox and Josef Van Genabith and Jan Jaspars and Hans Kamp and David Milward and Manfred Pinkal and Massimo Poesio and Steve Pulman and Ted Briscoe and Holger Maier and Karsten Konrad}, 
+    title = {Using the Framework}, 
+    year = {1996} 
+}
+```
+
+Adapted from [https://nlp.stanford.edu/~wcmac/downloads/fracas.xml](https://nlp.stanford.edu/~wcmac/downloads/fracas.xml). We took `P1, ..., Pn` as premise and H as hypothesis. Labels have been mapped as follows `{'yes': "entailment", 'no': 'contradiction', 'undef': "neutral", 'unknown': "neutral"}`. And we randomly split 80/20 for train/dev.
+
 
 ## Dataset curation
 One hypothesis in the dev set and three hypotheses in the train set are empty and have been