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

[EX Q]: Sentence: 'a bedroom with a bed next to a closet'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a menu in the middle of a fast food returant'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a very cute lady in a big chair reading a book'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
3