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

Input: Consider Input: Sentence: 'the two people are in wetsuits in the ocean while one rides a wave'. How many words contain the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a white sand beach with chairs umbrellas and people'. How many words contain the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a table set for two with servings of broccoli with sauce on each plate'. How many words contain the letter 's' in the sentence.


Output: 3