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 ram that is standing on the grass'. Remove all words of length '1' in the given sentence.
answer:
ram that is standing on the grass


question:
Sentence: 'a man with a backpack waiting at a train station'. Remove all words of length '7' in the given sentence.
answer:
a man with a backpack at a train


question:
Sentence: 'a couple of people sitting around a glass wall'. Remove all words of length '2' in the given sentence.
answer:

a couple people sitting around a glass wall