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.

Example Input: Sentence: 'an attractive display of fruits and vegetables on a table'. Remove all words of length '5' in the given sentence.
Example Output: an attractive display of fruits and vegetables on a

Example Input: Sentence: 'an image of a group of people at the park'. Remove all words of length '5' in the given sentence.
Example Output: an of a of people at the park

Example Input: Sentence: 'a long line of motorcycles parked on the sidewalk'. Remove all words of length '6' in the given sentence.
Example Output:
a long line of motorcycles on the sidewalk