TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a baseball player is running in a field'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a tennis player getting ready to hit a ball on a tennis court'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a close up of a child at a table with a cake'. Count the occurrences of the word 'at' in the given sentence.

SOLUTION:
1