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

Input: Consider Input: Sentence: 'a desktop computers sitting on a desk next to a laptop'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a woman is holding a racket and looking in a mirror'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a man standing next to a street market with two people next to  a building'. Count the occurrences of the word 'to' in the given sentence.


Output: 2