In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
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Question: Sentence: 'a street filled with traffic and a very long bus'. Reverse all words of length '4' in the given sentence.

Answer: a street filled htiw traffic and a yrev gnol bus


Question: Sentence: 'a group of people riding in a black raft'. Reverse all words of length '1' in the given sentence.

Answer: a group of people riding in a black raft


Question: Sentence: 'people are lined up and waiting for baggage'. Reverse all words of length '7' in the given sentence.

Answer:
people are lined up and gnitiaw for egaggab