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

Input: Consider Input: Sentence: 'this is a blurry image of a man in a kitchen'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'this outside the capitol building where people are flying kites'. Count the occurrences of the word 'this' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a cow standing in the grass with a tag in its ear'. Count the occurrences of the word 'a' in the given sentence.


Output: 2