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

[Q]: Sentence: 'a truck and a part of a disabled plane'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a desktop computers sitting on a desk next to a laptop'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a number of people ride bikes in the sand'. Count the occurrences of the word 'bikes' in the given sentence.
[A]:
1