For analyzing a persuasive contrast essay for two different stories, what are the themes for both stories—"Native Aliens" by Greg van Eekhout and "Martian Odyssey" by Stanley G. Weinbaum—and the shared subject and attitude of the authors? Are they the same or opposite?

"A Martian Odyssey" and "Native Aliens" both deal with the same theme—the troubled interactions between natives and colonizers and their attempt to understand each other. "A Martian Odyssey" by Weinbaum, written in 1934, was a seminal science fiction story. In this tale, Dick Jarvis, the American chemist on an international crew sent to Mars on the Ares, recalls his interactions with the alien Tweel. The alien is more intelligent than Jarvis in many ways, and while Jarvis cannot make head or tails of the alien's language, Tweel figures out Jarvis's language in short order. Jarvis says,

But Tweel hung on to some of my words. He remembered a couple of them, which I suppose is a great achievement if you're used to a language you have to make up as you go along. But I couldn't get the hang of his talk; either I missed some subtle point or we just didn't think alike—and I rather believe the latter view.

While Tweel is able to quickly intuit English, Jarvis cannot fathom Tweel's language and makes the decision that he and Tweel don't think alike. However, Tweel quickly understands addition, and Jarvis also concludes that Tweel's civilization uses telescopes and is "civilized," though the other earthlings disagree and can't stomach the idea that an alien could be superior to an earthling. This story is about the cooperation between colonizers (in this case, earthlings) and natives (though we consider Tweel an alien, he is native to Mars).
"Native Aliens" by Greg van Eekhout is also about the interaction between colonizers and natives. In this story, there are two alternating tales. The first is the tale of a Dutch family in Indonesia in the aftermath of the Indonesian revolution of the 1940s, when the Dutch are forced from their home. Though the Dutch consider Indonesia their home, and the father's skin "is as dark as the Indonesians" (151), the Indonesians do not consider the Dutch natives. The second tale is that of earthlings who settle on the planet of Breva and who are expelled, though they look like Brevans.
Weinbaum's story is about the power and intelligence of aliens, those who are foreign to us, and the humility of colonizers. The story by van Eekhout is a companion piece about the power of the natives. Both stories are commentaries on the ways in which natives and colonizers do not always understand each other, though they are quite similar in many ways.