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


question:
Sentence: 'an egg sandwich sitting on top of a white plate'. Remove all words of length '1' in the given sentence.
answer:
an egg sandwich sitting on top of white plate


question:
Sentence: 'a group of guys playing ultimate frisbee on a field'. Remove all words of length '8' in the given sentence.
answer:

a group of guys playing frisbee on a field