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 boat in the water filled with people'. Remove all words of length '2' in the given sentence.
a boat the water filled with people

Sentence: 'the three giraffes are standing on the grassland'. Remove all words of length '2' in the given sentence.
the three giraffes are standing the grassland

Sentence: 'a grey and white cat laying on dirt next to a fence'. Remove all words of length '1' in the given sentence.

grey and white cat laying on dirt next to fence