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

Input: Consider Input: Sentence: 'a laptop computer that is sitting on a desk'. How many words contain the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a close up of two people wearing ties'. How many words contain the letter 'o' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'an open white refrigerator sits on a patch of grass between the street and the sidewalk'. How many words contain the letter 'y' in the sentence.


Output: 0