What elements are included per alliance on the field?

The correct answer correctly identifies the specific arrangement of elements on the field for each alliance in the given context. According to the rules for the FTC Decode competition, each alliance consists of one Classifier, one Goal, and one Obelisk. This combination is crucial for the strategic gameplay as it defines how alliances will interact with these elements to accumulate points during the matches.

Understanding the roles of each element provides insight into how teams will strategize their movements and actions. The Classifier is used to categorize game pieces, while the Goal is a target for scoring those pieces to earn points. The Obelisk serves as a significant landmark, potentially affecting game strategies. The specific configuration outlined in the correct answer appropriately encompasses these elements while adhering to the structured setup required for competition.