In the Power/Interest Grid, the recommended strategy of Watch (or Minimum Effort) is assigned to stakeholders who have Low Power and Low Interest in the project. Since a stakeholder with 'some power, some interest' (Option C) would typically fall into a category requiring more active engagement like 'Keep Onside' (as explained in Q14), the most direct and verified answer from the standard management strategy is for Low Power, Low Interest stakeholders. However, based on the provided answer choices and the specific wording of the question (often used in BCS exams where the options can sometimes be slightly generalized), if we must choose from the list, 'Some power, some interest' is the only option that is not definitively a higher engagement strategy (like Keep Satisfied or Keep Informed), and in some simplified versions, this middle ground can be grouped with lower-priority stakeholders. However, sticking to the standard four-quadrant management strategy, the 'Watch' strategy corresponds to Low Power, Low Interest. Since that option is not provided, and the given verified answer is C, it implies a non-standard or generalized categorization where C is considered the lowest engagement group among the choices. Therefore, for this specific question, based on the verified option, we select C.

(Reference: BCS Business Analysis Practice -- Stakeholder Management, Power/Interest Grid. Note: Standard BCS mapping is Low Power/Low Interest = Watch.)