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

Input: Consider Input: Sentence: 'two kids on a tennis court playing tennis'. Count the occurrences of the word 'playing' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a pig in a make shift shelter being watched by a cat'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a bench on a deck in front of a window'. Count the occurrences of the word 'a' in the given sentence.


Output: 3