u/Due-Geologist-2470

I am not sure if we can post solution, but here it is anyways:

1. We make one contradictory statement as our hypothesis: Brick was in the parking lot.
2. Then we move on to our first clue, a note which translates to: Kindness was discovered buried beneath bags of beans. So kindness, the weapon, was in the bean room.
3. According to the suspects' profiles provided in the mansion, the second shortest person is Sir Rulean, so according to the clue, he had a butter knife.
4. Dr. Crimson is left handed (again, according to the information given in the mansion), so she was in the bathroom.
5. Lady Violet was indoors, which is the bean room. This means that Lady Violet used kindness as the weapon.
6. With this, we conclude that Sir Rulean was either in the bathroom or in the courtyard, and neither of these can be true, because Dr. C is in the bathroom, and from our hypothesis, we ruled it out to be false.
7. This concludes that our hypothesis was wrong, and Sir Rulean was in the courtyard.
8. After clearing out our notebook, and with the above clue crossed out in our notebook, we move on to the first clue again: kindness was in the bean room, and thus Lady Violet used kindness as the weapon, and she was in the bean room.
9. Sir Rulean used the butter knife as his weapon, and he was in the courtyard.
10. Two places are left now, the bathroom and the parking lot. The brick cannot be in the parking lot, so it must be in the bathroom.
11. Dr. C was in the bathroom, and the brick was in the bathroom, so Dr. C used the brick as her weapon.
12. We check out the remaining boxes in our notebook, and we are left with Principal Applegreen in the parking lot, with poisoned coffee as his weapon.