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: 'a man walking down a street while talking on a cell phone'. Remove all words of length '3' in the given sentence.

A: a walking down a street while talking on a cell phone
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Q: Sentence: 'a girl with sunglasses looking at her phone'. Remove all words of length '3' in the given sentence.

A: a girl with sunglasses looking at phone
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Q: Sentence: 'a green and yellow train traveling under a tunnel'. Remove all words of length '5' in the given sentence.

A:
a and yellow traveling a tunnel
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