The decision-making method that would be used in this situation is consensus.
Consensus method is a group decision-making method<u>. When a group chooses this method, all the members of this group participate in the process of making a decision about a specific issue</u>. After discussing it thoroughly, they reach an agreement that fits the group's common goal. The method most likely to be used in the situation described is consensus because<u> the military platoon would take a decision after hearing everyone's opinion, always focused on the common goal: defending their lives from the enemy</u>.
There is a subject, Olaf's very unusual science project, but no predicate, which is the action. We know what is doing something, but we don't know what it is doing.