TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a zebra is standing in the shallow water'. How many words contain the letter 't' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'skiers on slope in mountains on sunny day'. How many words contain the letter 'p' in the sentence.

SOLUTION:
1