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

[Q]: Sentence: 'a white sand beach with chairs umbrellas and people'. How many words contain the letter 't' in the sentence.
[A]: 2

[Q]: Sentence: 'adults with helmets sitting on tricycles made for children'. How many words contain the letter 'r' in the sentence.
[A]: 3

[Q]: Sentence: 'many people are watching and taking pictures with elephants'. How many words contain the letter 'x' in the sentence.
[A]:
0