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 motorcycles parked in front of a truck'. Reverse all words of length '11' in the given sentence.

Answer: a group of selcycrotom parked in front of a truck


Question: Sentence: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.

Answer: there are ynam animals standing on the top of siht mountain


Question: Sentence: 'a train producing steam passes by a field and a forest'. Reverse all words of length '1' in the given sentence.

Answer:
a train producing steam passes by a field and a forest