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 young bear nosing around the ground on a sunny day'. Remove all words of length '1' in the given sentence.
Example Output: young bear nosing around the ground on sunny day

Example Input: Sentence: 'two birds sitting on a large rock next to a river'. Remove all words of length '5' in the given sentence.
Example Output: two sitting on a rock next to a

Example Input: Sentence: 'a toilet with an open seat next to a metal object'. Remove all words of length '5' in the given sentence.
Example Output:
a toilet with an open seat next to a object