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 dog curled up sleeping on a bed with pillows'. Reverse all words of length '6' in the given sentence.
answer:
a dog delruc up sleeping on a bed with pillows


question:
Sentence: 'an aboveground subway car on a city street'. Reverse all words of length '6' in the given sentence.
answer:
an aboveground yawbus car on a city teerts


question:
Sentence: 'a hydrant outside a fire department with a fire truck nearby'. Reverse all words of length '5' in the given sentence.
answer:

a hydrant outside a fire department with a fire kcurt nearby