TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a home computer setup with two laptops on a desk'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a red passenger bus drives down a busy road'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'tennis player bent down hitting ball on tennis court'. Count the occurrences of the word 'tennis' in the given sentence.

SOLUTION:
2