intro - explain pbl format
In an English as a Second Language class for immigrant workers, Ramona is sitting in the back of the classroom, talking excitedly in Spanish with the person next to her. Standing at the front of the class, Matt is frustrated and curious.
- What's the problem? (this is not as simple as it may seem, to begin with it depends on whose standpoint you look at it from, for Ramona, the problem may be that there is no good chance to talk with the person next to her...)