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

[EX Q]: Sentence: 'some soldiers cutting into a big sheet cake on a table'. How many words contain the letter 'c' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a train that is pulling into the station'. How many words contain the letter 't' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a half eaten pizza with tomatoes in the pizza box'. How many words contain the letter 'u' in the sentence.
[EX A]:
0