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

Input: Consider Input: Sentence: 'two teams compete at a sport in a park'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a single lone cup of coffee sitting on a black park bench'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a bald headed man cutting a ribbon in front of people on bicycles'. Count the occurrences of the word 'man' in the given sentence.


Output: 1