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

Input: Consider Input: Sentence: 'a car stopped at a red light at an intersection'. How many words contain the letter 'l' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a basket that is full of fruits and vegetables'. How many words contain the letter 'v' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a city street with traffic and people walking'. How many words contain the letter 'o' in the sentence.


Output: 1