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

Input: Consider Input: Sentence: 'a kitchen with hard wood floors and a stove top oven'. How many words contain the letter 'g' in the sentence.

Output: 0


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: 'an elephant removing the hat off of a mans head'. How many words contain the letter 'v' in the sentence.


Output: 1