TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'the boy is in batting stance to waiting'. How many words contain the letter 'h' in the sentence.

SOLUTION: 1

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 baseball player swings at the ball and a catcher prepares to catch it'. How many words contain the letter 'u' in the sentence.

SOLUTION:
0