TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a red car parked with a gas pump inserted into it'. How many words contain the letter 'l' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'several people sitting around a table eating pizza'. How many words contain the letter 'u' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'an old cell phone near dinner plates on'. How many words contain the letter 'k' in the sentence.

SOLUTION:
0