In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.

Answer: 3


Question: Sentence: 'two giraffes with their heads in the tree'. How many words contain the letter 'o' in the sentence.

Answer: 1


Question: Sentence: 'an airplane sitting on a runwaybeing loaded up'. How many words contain the letter 'f' in the sentence.

Answer:
0