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

Input: Consider Input: Sentence: 'a large herd of farm animals are with a cowboy'. How many words contain the letter 'l' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'man and woman wearing all red standing in a snowy field'. How many words contain the letter 'k' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a radio and a keyboard on a desk'. How many words contain the letter 'l' in the sentence.


Output: 0