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

[Q]: Sentence: 'a person sitting down in front of a couch'. Count the occurrences of the word 'in' in the given sentence.
[A]: 1

[Q]: Sentence: 'the person is taking a picture in the mirror while riding in the car'. Count the occurrences of the word 'the' in the given sentence.
[A]: 3

[Q]: Sentence: 'a large bus and some people on a street'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2