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.

Sentence: 'a mountain towers over a train going down the tracks'. Remove all words of length '4' in the given sentence.
a mountain towers a train going the tracks

Sentence: 'a kitchen with a lot of white cupboards and a wood floor'. Remove all words of length '2' in the given sentence.
a kitchen with a lot white cupboards and a wood floor

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

amtrak train is making its way the tracks