TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a woman sitting at a table holding a hot dog up to her mouth'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a woman walking a large brown dog next to a tennis ball'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a hat sitting on the top of a bench near some grass and a sidewalk'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3