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: 'multiple birds on the ground in a parking lot'. How many words contain the letter 'm' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'people riding on an old style passenger train'. How many words contain the letter 'q' in the sentence.


Output: 0