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 traffic light above a street near a building'. Count the occurrences of the word 'above' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a woman that is on a snowboard on a rail'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3