In this task, you need to count the occurrences of the given word in the given sentence.

Q: Sentence: 'a double decker bus that is parked in front of a parking structure'. Count the occurrences of the word 'in' in the given sentence.

A: 1
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Q: Sentence: 'a picture of a medical exam room with a bed and chair'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a little girl holds a tooth brush while her mother stands in the background in a bathroom'. Count the occurrences of the word 'a' in the given sentence.

A:
3
****