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 man is riding a motorcycle down the street'. Remove all words of length '3' in the given sentence.

Ex Output:
a is riding a motorcycle down street


Ex Input:
Sentence: 'a person on a surfboard in the water'. Remove all words of length '6' in the given sentence.

Ex Output:
a on a surfboard in the water


Ex Input:
Sentence: 'a white clock tower next to building a grassy field'. Remove all words of length '2' in the given sentence.

Ex Output:

a white clock tower next building a grassy field