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

Input: Consider Input: Sentence: 'a black and white photo of a large clock on a building'. How many words contain the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a woman in a wheelchair is about to play tennis'. How many words contain the letter 'r' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'two of the three apples are partially peeled'. How many words contain the letter 'e' in the sentence.


Output: 5