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

Input: Consider Input: Sentence: 'a sign that shows you are entering into joshua tree national park'. How many words contain the letter 't' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'this is a yellow train riding the rails'. How many words contain the letter 'n' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a pan filled with soup with a hand mixer in it'. How many words contain the letter 'j' in the sentence.


Output: 0