Nakisha and Samir are making an effective use of presentation skills. Both are defending their ideas and persuading the others to follow them, by showing their knowledge about the topic with examples, and making the other students agree with them by using their ideas as well.
Mark, Casey and Kara are not so effective as they are not approaching the conversation properly, paying close attention to the questions given, or defending their own opinion.
"Tragic," may work, depending if the questions is multiple choice or not.
The setting of the story is 1920s Spain, and the events take place in a train station between Barcelona and Madrid. The description of the physical setting mirrors Jig's thoughts and dilemmas about having an abortion. The social setting is focused on relationships and identity.