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 close up of hands holding a video game controller'. Remove all words of length '1' in the given sentence.
close up of hands holding video game controller

Sentence: 'a man holding a bottle of beer on a counter'. Remove all words of length '4' in the given sentence.
a man holding a bottle of on a counter

Sentence: 'two trains are driving side by side on tracks'. Remove all words of length '7' in the given sentence.

two trains are side by side on tracks