TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'this is a yellow train riding the rails'. How many words contain the letter 'n' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'this is a portion of a painting showing a banana and an orange'. How many words contain the letter 't' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a man holding a snowboard overlooks a snowy hill'. How many words contain the letter 'v' in the sentence.

SOLUTION:
1