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

Example Input: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
Example Output: 1

Example Input: Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.
Example Output: 3

Example Input: Sentence: 'a view of people gathered on the beach with umbrellas'. How many words contain the letter 'v' in the sentence.
Example Output:
1