TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a woman riding a biek down a sidewalk'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a jet flying with a smaller jet attached to the top of it'. Count the occurrences of the word 'jet' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a picture of a toilet and toilet paper in a bathroom'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3