TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a colorful hydrant  sitting in the grass on a quiet street'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a group of kids swimming in ocean around a man on a surfboard'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a kitchen area with a counter refrigerator oven and cabinets'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
2