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 small bird sitting on the rim of a fountain'. Reverse all words of length '7' in the given sentence.

Answer: a small bird gnittis on the rim of a fountain


Question: Sentence: 'two snowboards attached to feet above snow and trees'. Reverse all words of length '10' in the given sentence.

Answer: two sdraobwons attached to feet above snow and trees


Question: Sentence: 'a large jet liner sitting on top of an airport tarmac'. Reverse all words of length '1' in the given sentence.

Answer:
a large jet liner sitting on top of an airport tarmac