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

[EX Q]: Sentence: 'a night scene of a secluded  street with nearby parking garage'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a group of fire trucks ride down the road'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'people pose for a photo on a baseball field with a sailor on the pitchers mound'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
3