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

[Q]: Sentence: 'a man with a neck tie is wearing a motorcycle helmet'. Count the occurrences of the word 'wearing' in the given sentence.
[A]: 1


[Q]: Sentence: 'a man on a surf board holding on to a sail in the ocean'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a purple sofa and loveseat  a gray chair and a man sitting in the corner at a desk'. Count the occurrences of the word 'a' in the given sentence.
[A]:
4