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: '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: 'a black bear sitting on top of a fallen log at a zoo'. Remove all words of length '7' in the given sentence.
answer:
a black bear on top of a fallen log at a zoo


question:
Sentence: 'two people eating at a table and many people are watching them'. Remove all words of length '2' in the given sentence.
answer:

two people eating a table and many people are watching them