TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a man and a dog standing on a dirt path in the woods'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a tv sitting on a patch of grass next to a pole'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'three toothbrushes are in a clear glass cup'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
1