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 group of people para sailing on a beach'. Reverse all words of length '5' in the given sentence.

Answer: a puorg of people para sailing on a hcaeb


Question: Sentence: 'a very small shiny metal cup with some food in it'. Reverse all words of length '4' in the given sentence.

Answer: a yrev small shiny metal cup htiw emos doof in it


Question: Sentence: 'a large bed with a tall padded headboard stands in the center of a room'. Reverse all words of length '6' in the given sentence.

Answer:
a large bed with a tall deddap headboard sdnats in the retnec of a room