instruction:
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.
question:
Sentence: 'group of people gathering to ski and snowboard on side of mountain'. Remove all words of length '2' in the given sentence.
answer:
group people gathering ski and snowboard side mountain


question:
Sentence: 'a person sitting at a desk by an open laptop'. Remove all words of length '4' in the given sentence.
answer:
a person sitting at a by an laptop


question:
Sentence: 'two people standing in the snow by a sign'. Remove all words of length '6' in the given sentence.
answer:

two standing in the snow by a sign