TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'child standing in front of a stop sign on a suburban street corner'. How many words contain the letter 'u' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'ancient pottery being displayed on an exhibit case'. How many words contain the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a person s walking down a dark alley way carrying his skateboard'. How many words contain the letter 'l' in the sentence.

SOLUTION:
2