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.

Ex Input:
Sentence: 'a lamp is next to a white table with pretty flowers on it'. Remove all words of length '7' in the given sentence.

Ex Output:
a lamp is next to a white table with pretty on it


Ex Input:
Sentence: 'a group of men riding skis down a snow covered slope'. Remove all words of length '6' in the given sentence.

Ex Output:
a group of men skis down a snow covered slope


Ex Input:
Sentence: 'a white toilet in a white tiled bathroom'. Remove all words of length '5' in the given sentence.

Ex Output:

a toilet in a bathroom