TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a sidewalk with a toilet laying on side with people in background'. How many words contain the letter 'o' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'an old motorcycle with the seat missing parked in a garage with other parts and motorcycles'. How many words contain the letter 'r' in the sentence.

SOLUTION: 6

PROBLEM: Sentence: 'a plane with twin propellers flies through the air'. How many words contain the letter 't' in the sentence.

SOLUTION:
4