This question says the Trents owned exactly one building. We also know from the setup that the Yandells own one building. So this question has this distribution:
The question is asking what buildings the Trents can own. Given this, you should consider what rules affect the Trents. Either they need the stables, or the Yandells need the inn. It’s pretty probable the Trents can own the stables, so lets see if we can make a working scenario:
(Note: this is not the only scenario where the Trents can own the stable. But it doesn’t need to be. We’re just trying to prove that it’s possible for the Trents to own the stables.)
Since it’s possible for the Trents to own the stables, we’re left with only C and E as potentially correct answers.
C doesn’t work. If the Trents have the inn, then rule 3 is broken. The Trents don’t have the stables, and the Yandells don’t have the inn.
E is CORRECT. There’s no need to prove that the Trents could have the forge and the mill, since we know for sure all the other answers are wrong. But for completeness, here are two scenarios that prove E:
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Chukwudima Oraedu says
Yo, when you mapped out a possible scenario where the Trents own the stable according to Question 17’s new rule, you said this scenario wasn’t the only possible one. But that is not true. If the Trents own the stable, then the Williamses cannot own the forge because they need to own three buildings. If the Trents own the stable according to Q17’s rule, then the Williamses must own the granary, mill, and inn, and the Yandells must own the forge.
Am I wrong? This isn’t relevant to getting the correct answer, but I want to ensure I evaluate these games accurately.