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

Input: Consider Input: Sentence: 'the street corner is flooded deep with water'. How many words contain the letter 'f' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a surfer in a black wet suit riding a wave in the ocean'. How many words contain the letter 'x' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'the cat is in its bed staring out from underneath the desk'. How many words contain the letter 'e' in the sentence.


Output: 5