TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a zebra crossing the road in to the grass'. Count the occurrences of the word 'in' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a zebra in the wild walking towards a dirt road'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a bike rider in a uniform for racing and a banana in their back pocket'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3