Which of these facts about Duolingo's green owl mascot 'Duo' reflects an intentional product design choice related to language acquisition psychology?

In the world of language learning and linguistics, corporate branding plays a fascinating role. Companies often use strategic naming, mascots, and visual identities to position themselves in this specialized market. This poll tests your knowledge about a famous language learning brand's mascot and the thoughtful design thinking behind it. Are you just a casual language enthusiast, or do you notice the detailed branding choices that shape our perception of language learning products?

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The owl's green color was chosen because studies show green environments reduce language learning anxiety and improve retention
The owl character was selected because owls can rotate their heads 270 degrees, symbolizing the need to look at language from multiple perspectives
Duo's wide eyes were designed to mimic the dilated pupils observed in humans during moments of linguistic breakthrough
The mascot's rounded form was based on the shape of ancient language learning stones found in Mesopotamian excavations