messages.role: user
messages.content: Here is an extract of teacher-learner interaction. Note the different ways the teacher provides feedback (marked →). Can you match with theese
  
  lexical errors
  grammar errors
  discourse errors
  pronunciation errors
  transfer l1 interference
  overgeneralizing
  developmental errors
  systematic errors
  intelligibility
  
  S1: What about go to mountain?
  a → T: What about …?
  S1: What about going to mountains, we can do ‘barrancking’.
  [Ss laugh]
  T: What is ‘barrancking’>
  S3: You have a river, a small river and [gestures].
  T: Goes down?
  S3: Yes, as a cataract
  b → T: OK, a waterfall [writes it on board] What’s a waterfall, Manel? Can you give me
  an example? A famous waterfall [draws]
  S1: Like Niagara?
  c → T: OK. So what do you do with the waterfall?
  S4: You go down.
  T: What? In a boat?
  S4: No, no, with a cord.
  d → T: No, rope, a cord is smaller, like at the window, look [points]
  S4: Rope, rope, you go down rope in a waterfall.
  S2: You wear … black clothes … /espesel klauthes/
  e → T: /speʃ(ə)l kləʊðz/ Repeat [student repeats] … This sounds dangerous, is it
  dangerous?
  SS: No no
  S3: Is in summer, no much water
  f → T: Sorry?
  S3: Poco … poco … little water, river is not strong
  g → T: OK … and you have done this? What’s it called in Spanish?
  S4: Barranquismo. In English?
  T: I don’t know. I’ll have to ask somebody.