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

Input: Consider Input: Sentence: 'there is a man who is playing a game of tennis'. Count the occurrences of the word 'is' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a table top with some laptops on it'. Count the occurrences of the word 'with' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a kitchen with a counter a double sink and lights'. Count the occurrences of the word 'a' in the given sentence.


Output: 3