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

Input: Consider Input: Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'an image of a building with a steeple and birds flying overhead reflected in the water'. How many words contain the letter 'u' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'there is a banana that is in the table'. How many words contain the letter 'c' in the sentence.


Output: 0