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 and woman holding electronic devices in their hands'. How many words contain the letter 'e' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a team of junior baseball players carrying a trophy'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a woman in playing with a green frisbee at the beach'. How many words contain the letter 'n' in the sentence.


Output: 4