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

[Q]: Sentence: 'some baseball players on a field playing baseball'. Count the occurrences of the word 'playing' in the given sentence.
[A]: 1


[Q]: Sentence: 'there are some chairs under an umbrella at the beach'. Count the occurrences of the word 'at' in the given sentence.
[A]: 1


[Q]: Sentence: 'a computer tore apart by a monitor keyboard and mouse on a desk'. Count the occurrences of the word 'a' in the given sentence.
[A]:
3


