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

[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


[Q]: Sentence: 'a cat with a purple and red collar sitting in a bowl'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a man is sitting in a chair watching television with a remote control in his hand'. Count the occurrences of the word 'hand' in the given sentence.
[A]:
1