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: 'a man taking a picture of himself in a mirror in a bathroom while he is in another room'. Remove all words of length '1' in the given sentence.

man taking picture of himself in mirror in bathroom while he is in another room