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.

Q: Sentence: 'a pair of melted scissors on top of a reflective surface'. Reverse all words of length '7' in the given sentence.

A: a pair of melted scissors on top of a reflective ecafrus
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Q: Sentence: 'a man walking in the shore with a surfboard under his arm'. Reverse all words of length '3' in the given sentence.

A: a nam walking in eht shore with a surfboard under sih mra
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Q: Sentence: 'two urinals mounted to a wall next to a sink'. Reverse all words of length '3' in the given sentence.

A:
owt urinals mounted to a wall next to a sink
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