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

Sentence: 'a vehicle applying brakes near a stop sign on a rainy day'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a propeller plane that is parked in a hanger'. Count the occurrences of the word 'a' in the given sentence.
2

Sentence: 'a brown cat sitting on a toilet lid in the bathroom'. Count the occurrences of the word 'in' in the given sentence.

1