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.

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


[Q]: Sentence: 'a tray filled with lots of fries next to a hot dog'. Remove all words of length '2' in the given sentence.
[A]: a tray filled with lots fries next a hot dog


[Q]: Sentence: 'a green tea pot on top of a stove'. Remove all words of length '1' in the given sentence.
[A]:
green tea pot on top of stove