Detailed Instructions: 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.
See one example below:
Problem: Sentence: 'as a guy jumps over the snow with his snowboard people riding on the lift behind him look on'. Reverse all words of length '6' in the given sentence.
Solution: as a guy jumps over the snow with his snowboard elpoep gnidir on the lift dniheb him look on
Explanation: Words 'people', 'riding', 'behind' are of length 6. Reversing these words results in 'elpoep', 'gnidir', and 'dniheb' respectively. So this is a correct answer.

Problem: Sentence: 'a man stands on a snowy field a fire hydrant in the foreground'. Reverse all words of length '6' in the given sentence.
Solution:
a man sdnats on a snowy field a fire hydrant in the foreground