TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a man walking across a beach carrying a surfboard'. How many words contain the letter 'i' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'this bus waits at a bus station for passengers to board'. How many words contain the letter 'e' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a woman taking a photo of herself in the mirror'. How many words contain the letter 'l' in the sentence.

SOLUTION:
1