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

[Q]: Sentence: 'a man and a woman in a spare living room space standing far apart from each other'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a man standing on top of a skateboard on top of cement'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a giraffe grazing on grass under a wooden post'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2