Which amongst the following be most readily dehydrated under acidic conditions?

Dehydration under acidic conditions proceeds via a carbocation intermediate. The rate of the reaction depends on the stability of the carbocation.Electron-donating groups ($+R$ or $+I$) like $-{\text{OCH}}_3$ stabilize the carbocation.Electron-withdrawing groups like $-{\text{NO}}_2$ destabilize it.Thus, the compound with a strong electron-donating group in the $para$ position will be most readily dehydrated.(Note: Specifically referring to the substituted alcohols provided in the paper).