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 crowd of people skiing and enjoying the snow'. Reverse all words of length '4' in the given sentence.
answer:
a crowd of people skiing and enjoying the wons


question:
Sentence: 'several stacks of trunks in front of a building'. Reverse all words of length '8' in the given sentence.
answer:
several stacks of trunks in front of a gnidliub


question:
Sentence: 'stainless steel oven built into a white counter'. Reverse all words of length '7' in the given sentence.
answer:

stainless steel oven built into a white retnuoc