In this task, you need to count the occurrences of the given word in the given sentence.

Q: Sentence: 'a woman is holding a racket and looking in a mirror'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a dog catching a frisbee on a baseball field while its owner watches'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a small dog sitting on top of a couch cushion near a window'. Count the occurrences of the word 'a' in the given sentence.

A:
3
****