It is a complex sentence because it is an independent idea and a dependent idea in one sentence.
Answer:
I had to do something similar to this a while ago and I wrote about where bananas come from lol
"<span>A shortened, paraphrased version of a text that mentions its key points" would be the proper definition of a summary. Without mentioning the key points, it cannot be a god summary. </span>
The planets that have rings are <span>Jupiter Saturn </span>Uranus and Neptune.<span />