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

[Q]: Sentence: 'some brown white black horses dirt a rock and a goat'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a keyboard on a desk beneath a monitor'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a kitchen counter topped with a microwave and a toaster oven'. Count the occurrences of the word 'a' in the given sentence.
[A]:
3