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

Input: Consider Input: Sentence: 'a man sleeping on a park bench then a woman looks at another man with a newspaper over his face on another park bench'. How many words contain the letter 't' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a young girl plays tennis in a court with grass in the cracks'. How many words contain the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a photograph of an old rusty train artifact'. How many words contain the letter 'm' in the sentence.


Output: 0