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

Input: Consider Input: Sentence: 'a beautiful woman playing with a small green bird'. How many words contain the letter 't' in the sentence.

Output: 2


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

Output: 1


Input: Consider Input: Sentence: 'all white kitchen with brown counter tops and red fire extinguisher'. How many words contain the letter 'n' in the sentence.


Output: 5