In this task, you need to count the number of words in a sentence that contain the given letter

Input: Consider Input: Sentence: 'little girl with her bunny beside her sitting on a bench'. How many words contain the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a large truck driving on a crowded street'. How many words contain the letter 'i' in the sentence.


Output: 1