TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a person is skate skiing and some plants and trees'. Count the occurrences of the word 'and' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a girl in blue shit and shorts holding a frisbee in grassy area'. Count the occurrences of the word 'in' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a child with a racket stands on a court'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3