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

Sentence: 'a gray teddy bear sitting behind an alarm clock'. Remove all words of length '6' in the given sentence.
a gray teddy bear sitting an alarm clock

Sentence: 'a soda can sitting next to computer on a desk'. Remove all words of length '4' in the given sentence.

a can sitting to computer on a