TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a man holding a frisbee in front of a teen boy with his arms up in the air'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a orange cat sleeping on top of a blanket'. Count the occurrences of the word 'blanket' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a shirtless man holds a frisbee under an umbrella'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
2