TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a boy holding onto a wii mote by a fireplace'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a young smiling couple at a wedding cut a cake'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'two people windsurfing on water next to trees'. Count the occurrences of the word 'windsurfing' in the given sentence.

SOLUTION:
1