In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'a group of people dressed professionally outside'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.

Answer: 2


Question: Sentence: 'four people sitting on a bed of a truck with a dog'. How many words contain the letter 'a' in the sentence.

Answer:
3