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.

Q: Sentence: 'two small children ski down a snowy tree lined slope'. Remove all words of length '4' in the given sentence.

A: two small children ski a snowy lined slope
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Q: Sentence: 'a castleesque building and its barren surroundings caked with snow'. Remove all words of length '12' in the given sentence.

A: a castleesque building and its barren caked with snow
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Q: Sentence: 'a cat laying on the grass playing with a big dog'. Remove all words of length '4' in the given sentence.

A:
a cat laying on the grass playing a big dog
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