The three compounds below can form a carbocation under aqueous acidic conditions. Which ones will form the same carbocation? 
Definitions:
Emotional State
A complex experience of consciousness, bodily sensation, and behavior that reflects the personal significance of a thing, an event, or a state of affairs.
Milgram's Study
A psychological experiment conducted by Stanley Milgram in the 1960s to measure individuals' willingness to obey authority figures, challenging personal conscience.
Obedience To Authority
The psychological mechanism that links an individual's action to the instructions or directives given by an authority figure, often studied in the context of how people can commit extraordinary acts under the influence of authority.
Shock Plate
A device used in psychological experiments to deliver an electric shock to an animal or human subject.
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