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 child points to ball waiting on the tee ball stand'. Remove all words of length '5' in the given sentence.

Ex Output:
a points to ball waiting on the tee ball


Ex Input:
Sentence: 'a large airplane flies in blue skies over some pretty trees'. Remove all words of length '6' in the given sentence.

Ex Output:
a large airplane flies in blue skies over some trees


Ex Input:
Sentence: 'a train riding through a railroad track'. Remove all words of length '5' in the given sentence.

Ex Output:

a riding through a railroad