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

[Q]: Sentence: 'a guy hitting a ball at a professional baseball game'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a red stop sign covered in graffiti under a train crossing'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a white toilet sits in a white bathroom area that has a beige wall'. Count the occurrences of the word 'white' in the given sentence.
[A]:
2