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 group of young children standing around each other'. Remove all words of length '1' in the given sentence.
Example Output: group of young children standing around each other

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: 'black and white photograph of a man on skateboard'. Remove all words of length '2' in the given sentence.
Example Output:
black and white photograph a man skateboard