Not everything is as it seems at the moment, nor are people necessarily operating from the motivations you assume they are. Dealing with relationships under these circumstances is indeed challenging, but you're up to the challenge. Why not actively seek a little clarity? There's nothing wrong with asking a few direct (but nonaggressive) questions to find out what's really going on. You and the other party involved will probably both be glad you did. Then you can set it aside and enjoy the day together.