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

Input: Consider Input: Sentence: 'a white cat sitting on a couch in a den'. How many words contain the letter 'l' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'cat with purple collar being vocal while sitting on seat'. How many words contain the letter 'h' in the sentence.


Output: 2