instruction:
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.
question:
Sentence: 'a man and woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.
answer:
a man and woman standing with egaggul in a gnitiaw area


question:
Sentence: 'someone is sitting on a elephant and messing with the seat'. Reverse all words of length '7' in the given sentence.
answer:
enoemos is gnittis on a elephant and gnissem with the seat


question:
Sentence: 'a young boy sitting on a chair in front of a table with pizza on it'. Reverse all words of length '7' in the given sentence.
answer:

a young boy gnittis on a chair in front of a table with pizza on it