In this task, you need to count the number of words in a sentence that contain the given letter

[EX Q]: Sentence: 'a group of people dressed professionally outside'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'an elephant stands in the grass near a tree'. How many words contain the letter 'c' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a woman and child are walking with umbrellas on their head'. How many words contain the letter 'x' in the sentence.
[EX A]:
0