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

Input: Consider Input: Sentence: 'pair of one kind of birds and another bird perched on a railing'. How many words contain the letter 'j' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a person in uniform is on a motorcycle near other uniformed people'. How many words contain the letter 'r' in the sentence.

Output: 6


Input: Consider Input: Sentence: 'a man wearing a multicolored tie in suite giving a speech'. How many words contain the letter 'z' in the sentence.


Output: 0