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

[EX Q]: Sentence: 'a man in a green shirt has a baseball bat'. Count the occurrences of the word 'in' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a white toilet sitting under a window next to a bath tub'. Count the occurrences of the word 'white' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a woman hovering over a pizza on top of an oven'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
2