added explanation to ReadMe

README.md

@@ -29,3 +29,11 @@ This dataset card aims to be a base template for new datasets. It has been gener
 
 ## Dataset Details
 
+Columns:
+  image           - The image related to the question
+  Question        - The Question related to the image
+  groundtruth     - The correct answer the model needs to find
+  remarks         - Explanations of the groundtruth and remarks for better understanding of the data (for the user, not the model)
+  adversarial     - marks adversarial questions (questions that cannot be answered with the image content)
+  help            - comments that should be given to the judge for a fair evaluation
+  Filename        - the Filename of the raw data