Nick: The Pincus family and their construction company have supported our university financially for decades.
Given Nick's Claims
1. The Pincus family and their construction company have supported our university financially for decades.
2. The university should not give the contract for building its new library to the family's main competitor.
3. Doing so would be disloyal to a friend of the university.
Evaluate Pedro's Responses
1. no comment 2. Disagrees 3. Disagrees (potentially)
Nick states that the university should not give a building contract to the Pincus family's main competitor. Pedro states that the contract should be awarded to "whatever company makes the most competitive bid." This is their clearest point of disagreement.
Neither of them has stated that the Pincus family's competitor made the most competitive bid, but if that ends up being the case then Pedro would give them the contract while Nick would not.
Nick says that giving the contract to the Pincus family's competitor while Pedro says that the university is not obliged to give a donor any special privileges. This seems to be a point of disagreement, but there's also some room to argue that Pedro isn't actually disagreeing. Pedro might be saying,
Goal
Expect the correct answer to addresses claim #2. An answer that addresses claim #3 instead isn't necessarily wrong, but we're a bit less likely to see that. Beware of answers which describe topics that neither person addressed.