TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a person standing in line for food at a food truck'. How many words contain the letter 'c' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a bus on the side of a desert road'. How many words contain the letter 'n' in the sentence.

SOLUTION:
1