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: 'a small boy sitting on the grass with a suitcase'. Remove all words of length '4' in the given sentence.

Answer: a small boy sitting on the grass a suitcase


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

Answer: a a surf board in a body of water


Question: Sentence: 'a young skier dressed in red awaiting a ski lift'. Remove all words of length '4' in the given sentence.

Answer:
a young skier dressed in red awaiting a ski