TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a police officer on a motorcycle with a sidecar'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a group of people stand inside of a big room'. Count the occurrences of the word 'inside' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'the parking meters sits on the side of the side walk'. Count the occurrences of the word 'the' in the given sentence.

SOLUTION:
3