In this task, you need to count the occurrences of the given word in the given sentence.

Input: Consider Input: Sentence: 'a building has people in front of it on the sidewalk'. Count the occurrences of the word 'building' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a black horse standing on a hill top with a white horse'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a tennis player stands on the court in an empty stadium'. Count the occurrences of the word 'court' in the given sentence.


Output: 1