TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a man standing on top of a skateboard on top of cement'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a hotdog with a bite taken out on a napkin'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a close up of a person riding skis on a body of water'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3