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 sign post with an eagle on the top in a marshy park area'. Remove all words of length '6' in the given sentence.

Ex Output:
a sign post with an eagle on the top in a park area


Ex Input:
Sentence: 'a man riding a wave on a surfboard'. Remove all words of length '3' in the given sentence.

Ex Output:
a riding a wave on a surfboard


Ex Input:
Sentence: 'the red train is moving down the tracks in this snowy town'. Remove all words of length '5' in the given sentence.

Ex Output:

the red is moving down the tracks in this town