TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a lighthouse with birds flying by it at a bay'. How many words contain the letter 'q' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'the zebra is showing his rear end to the camera'. How many words contain the letter 'r' in the sentence.

SOLUTION:
3