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: 'a person is walking down the beach holding a surfboard'. Remove all words of length '3' in the given sentence.
Example Output: a person is walking down beach holding a surfboard

Example Input: Sentence: 'a group of people watching kites in the sky'. Remove all words of length '3' in the given sentence.
Example Output: a group of people watching kites in

Example Input: Sentence: 'a white plate topped with a giant corned beef sandwich'. Remove all words of length '4' in the given sentence.
Example Output:
a white plate topped a giant corned sandwich