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.
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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: 'some people are posing for a picture in the snow mountain'. Remove all words of length '7' in the given sentence.

Answer: some people are posing for a in the snow mountain


Question: Sentence: 'a couple of people that are standing near a train'. Remove all words of length '2' in the given sentence.

Answer:
a couple people that are standing near a train