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

Sentence: 'this is a blurry image of a man in a kitchen'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a man in a pitching pose with a glove near  another man with a glove'. Count the occurrences of the word 'a' in the given sentence.
4

Sentence: 'a man prepares to get his hair cut at a hair studio'. Count the occurrences of the word 'hair' in the given sentence.

2