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

Input: Consider Input: Sentence: 'a train on the side of a road on the edge of the water'. How many words contain the letter 'u' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a woman with a green umbrella crosses the wet street'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a person that is wearing a hat and brushing their teeth'. How many words contain the letter 'l' in the sentence.


Output: 0