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 woman sits in a boat on the beach'. Remove all words of length '3' in the given sentence.

Ex Output:
a woman sits in a boat on beach


Ex Input:
Sentence: 'a person riding a surf board in a body of water'. Remove all words of length '6' in the given sentence.

Ex Output:
a a surf board in a body of water


Ex Input:
Sentence: 'a field of green grass that has five surfboard positioned in a half circle together'. Remove all words of length '9' in the given sentence.

Ex Output:

a field of green grass that has five positioned in a half circle together