TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a sign asking for witnesses is posted in front of a destroyed home'. How many words contain the letter 'y' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a blue chaircouch and foot rest in a small room'. How many words contain the letter 'a' in the sentence.

SOLUTION:
5