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

[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 giant clock mounted on a building'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a man dives to his right to make a forehand tennis shot'. Count the occurrences of the word 'to' in the given sentence.
[A]:
2