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

Input: Consider Input: Sentence: 'a big pan full of tasty looking meat and vegetables'. How many words contain the letter 'c' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'an older fighter plan sitting next to a group military men'. How many words contain the letter 'y' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a plethora of cars on the street which is next to buildings'. How many words contain the letter 'x' in the sentence.


Output: 1