TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a group of three toilets with a person standing in front of the middle one'. Count the occurrences of the word 'toilets' in the given sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a baseball player rubs the sweat off his face while walking down the field'. Count the occurrences of the word 'the' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a person sitting holding a sign on a chair'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
3