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: 'four bowls with cheese crackers celery carrots lettuce cherries and grapes in them'. Remove all words of length '2' in the given sentence.

four bowls with cheese crackers celery carrots lettuce cherries and grapes them