Answer:
humans would have tamed them by now and they would live in big barns like hourses
ιт ιѕ (α) тσ ιиfσям σя ρєяѕυα∂є
нσρє ι ¢συℓ∂ нєℓρ уσυ
The sentence that correctly forms the possessive noun is the first one - Amber and Lucas's trainers were both gold medal winners.