In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'a person in a helmet riding a skateboard'. How many words contain the letter 'c' in the sentence.

Answer: 0


Question: Sentence: 'a man sitting holding a drink with pizzas on the table'. How many words contain the letter 'k' in the sentence.

Answer: 1


Question: Sentence: 'a young boy stands holding a large umbrella'. How many words contain the letter 'a' in the sentence.

Answer:
5