instruction:
In this task, you need to count the occurrences of the given word in the given sentence.
question:
Sentence: 'a person doing a jump on a snowboard'. Count the occurrences of the word 'a' in the given sentence.
answer:
3


question:
Sentence: 'a person taking a photo of a person brushing her teeth'. Count the occurrences of the word 'of' in the given sentence.
answer:
1


question:
Sentence: 'a person with a horse in a field'. Count the occurrences of the word 'a' in the given sentence.
answer:

3