test.py: evaluate model

train.py: 
	train() : fine-tuning
	contrastive_train_batch() : contrastive pretraining

source/model.py: our model

source/sampler.py: data sampler

source/count.py: calc F1, Precision, Recall

source/function.py: some functions that need to be used

source/zero_shot.py: calculator for zero-shot

