instruction:
In this task, you need to count the occurrences of the given word in the given sentence.
question:
Sentence: 'a small cat is sitting on a step by a door'. Count the occurrences of the word 'a' in the given sentence.
answer:
3


question:
Sentence: 'two small white motor boats sitting still in a lake'. Count the occurrences of the word 'boats' in the given sentence.
answer:
1


question:
Sentence: 'train cars lined up under a bridge full of traffic'. Count the occurrences of the word 'under' in the given sentence.
answer:

1