TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a child in a blue helmet standing on a skateboard indoors'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a very large cow that is in a field'. Count the occurrences of the word 'large' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'two people riding surfboards on top of waves'. Count the occurrences of the word 'top' in the given sentence.

SOLUTION:
1