If Both Treatments Are Considered Equally Effective, in Which of the Following

If both treatments are considered equally effective, in which of the following scenarios are you most likely to see a larger placebo response for Patient A over Patient B?

A) Patient A takes a green stimulant pill; Patient B takes a red stimulant capsule.
B) Patient A takes Buckley's Mixture cough syrup; Patient B takes a no name brand cough syrup.
C) Patient A receives a vitamin pill; Patient B receives a vitamin injection.
D) Patient A receives treatment from a new doctor at a clinic; Patient B receives treatment from her shaman (traditional healer) .
E) In none of these scenarios would patient A experience a larger placebo response over Patient B.