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 stop light that is out on a pole'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man on a soccer field plays with a soccer ball'. How many words contain the letter 'l' in the sentence.


Output: 3