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

Input: Consider Input: Sentence: 'antique fire truck restored and displayed at outdoor event'. How many words contain the letter 'x' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a giraffe walking in the grass near a building'. How many words contain the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a quiet city street in the evening and a corner store'. How many words contain the letter 'x' in the sentence.


Output: 0