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

Input: Consider Input: Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'three zebras are shown in a black and white photo'. How many words contain the letter 'y' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a college graduate in cap and gown talking on his cell phone'. How many words contain the letter 'e' in the sentence.


Output: 4