vid_800 wrote:Hi DavidG, Can I please ask you to review my analysis on the case? And let me know if my reasoning is good enough?

Guidebook Writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly, carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently. "‹

Argument is linking quality with skill. With more skills, people produces higher quality.

More the skill used - higher the quality of the developments

Conclusion is trying to present a contrapositive scenario.but this is only possible when both the above events have causal linkage.

We need to present a scenario where this linkage is broken

It was not the skill that made a building strong rather the specific requirements that demanded the buildings be strong.

Thanks in anticipation.