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

Input: Consider Input: Sentence: 'a man holding a glove on a baseball field'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'she was walking down the side walk with her umbrella open'. Count the occurrences of the word 'down' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a clean bathroom with a lot of room'. Count the occurrences of the word 'room' in the given sentence.


Output: 1