Definition: 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.
Input: Sentence: 'a brown and white cat laying on someones lap while they work on the computer'. Remove all words of length '1' in the given sentence.

brown and white cat laying on someones lap while they work on the computer