pytorch roberta text-classification transformers
Label mappings
{'LABEL_0':'Biology','LABEL_1':'Physics','LABEL_2':'Chemistry','LABEL_3':'Maths','LABEL_4':'Social Science','LABEL_5':'English'}

Training data distribution
Physics - 7000
Maths   - 7000
Biology - 7000
Chemistry - 7000
English - 5254
Social Science - 7000