TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'an airplane in the sky trailing condensation'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'the facades of the buildings in the row are all the same'. How many words contain the letter 'f' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'an array of exotic food is next to a hand'. How many words contain the letter 'n' in the sentence.

SOLUTION:
3