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

Input: Consider Input: Sentence: 'a parked blue and white motorcycle with a black seat'. How many words contain the letter 'd' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a couple sitting on seats on a train'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'this is a full room of books and media sitting on rows and rows of shelving'. How many words contain the letter 'h' in the sentence.


Output: 2