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: 'a bed has an empty bag and folded laundry stacked on it'. How many words contain the letter 'm' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'somebody cutting the crusts off a sandwich in a kitchen'. How many words contain the letter 'x' in the sentence.

SOLUTION:
0