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 srufing the waves on a board in front of 3 tall pillars'. How many words contain the letter 'n' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a large cooked pizza with pepperoni on a table'. How many words contain the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'people walking down the sidewalk with no turn signs'. How many words contain the letter 'e' in the sentence.


Output: 3