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

Input: Consider Input: Sentence: 'a couple is fast asleep at 3 in the morning'. How many words contain the letter 'y' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a stop light that is out on a pole'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'man and woman sitting at a table with a full glass and a bottle of wine'. How many words contain the letter 'o' in the sentence.


Output: 3