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

Input: Consider Input: Sentence: 'a man on a snowboard who is performing a trick'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'two zebras playing with each others furry ears'. Count the occurrences of the word 'two' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'close up of a dog walking on a beach near a body of water'. Count the occurrences of the word 'a' in the given sentence.


Output: 3