instruction:
In this task, you need to remove 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 boat in the water filled with people'. Remove all words of length '2' in the given sentence.
answer:
a boat the water filled with people


question:
Sentence: 'this amtrak train is making its way down the tracks'. Remove all words of length '4' in the given sentence.
answer:
amtrak train is making its way the tracks


question:
Sentence: 'little dog sleeping on its back on its owner'. Remove all words of length '3' in the given sentence.
answer:

little sleeping on back on owner