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

[Q]: Sentence: 'a red truck hauling a truck behind it on a highway'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a man and a dog standing on a dirt path in the woods'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a woman sitting on the edge of the bed looking at the camera'. Count the occurrences of the word 'on' in the given sentence.
[A]:
1