TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a close up of a tennis player with a scary mask on'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a microwave a clothing iron and a candles make an unusual grouping'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a road sign on a corner in the snow'. Count the occurrences of the word 'in' in the given sentence.

SOLUTION:
1