TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a close up of a street sign that is not in english'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

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 stuffed animal on a number of boxes'. How many words contain the letter 'd' in the sentence.

SOLUTION:
1