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: 'two older men are playing with a frisbee at the park'. Remove all words of length '4' in the given sentence.

Ex Output:
two older men are playing a frisbee at the


Ex Input:
Sentence: 'four men are sitting on a bench in an old photo'. Remove all words of length '1' in the given sentence.

Ex Output:
four men are sitting on bench in an old photo


Ex Input:
Sentence: 'a small silver and red airplane sitting on the ground'. Remove all words of length '5' in the given sentence.

Ex Output:

a silver and red airplane sitting on the ground