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

Input: Consider Input: Sentence: 'a woman carrying her surfboard to the ocean'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'unusual round vase with flower stems inside it'. How many words contain the letter 'c' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a blue bench in front of yellow flowers in the garden and a pink house'. How many words contain the letter 'r' in the sentence.


Output: 3