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 train stopped on the track at a station'. Remove all words of length '2' in the given sentence.
a train stopped the track a station

Sentence: 'people standing outside in a farm show type area and one kid holding plate of food'. Remove all words of length '1' in the given sentence.
people standing outside in farm show type area and one kid holding plate of food

Sentence: 'green white and red airplane parked at an airport'. Remove all words of length '7' in the given sentence.

green white and red airplane parked at an