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

Input: Consider Input: Sentence: 'a cat in a tie sits on the couch'. How many words contain the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a large clock mounted in the face of a building'. How many words contain the letter 'e' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'an ornate vase filled with a bunch of purple flowers'. How many words contain the letter 'w' in the sentence.


Output: 2