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: 'colorful vases on white table on display in front of black and white photo of man possibly in martial art exercise'. Remove all words of length '7' in the given sentence.

colorful vases on white table on in front of black and white photo of man possibly in art exercise