Oxymoron is a figure of speech in which contradictory or incongruous words are combined. In the given sentence, an example of oxymoron is <em>alone together. </em>When someone is alone, they are on their own, with no one else present. However, the word <em>together</em> implies that two or more people are present. This is why it's unusual to see these words combined. Their meanings are contradictory, which makes this an oxymoron.
I believe yes. Teenagers are people who have the mental capacity to make decisions for themselves. Although their decisions making is still developing in this time of their life, it is developed enough for teenagers to make decisions on their own.
