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

Input: Consider Input: Sentence: 'a person resting on a bench outside a furniture store'. How many words contain the letter 'e' in the sentence.

Output: 6


Input: Consider Input: Sentence: 'a carrot and celery are on a cutting board'. How many words contain the letter 's' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'an iron and wooden bench in a park'. How many words contain the letter 'g' in the sentence.


Output: 0