TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a man in a pitching pose with a glove near  another man with a glove'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a cat sitting near a window looking at a squirrel eating'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'two men and two women skiing across country'. Count the occurrences of the word 'two' in the given sentence.

SOLUTION:
2