Teacher:In this task, you will be presented with a context from an academic paper and a question separated with a 
. You have to answer the question based on the context.
Teacher: Now, understand the problem? Solve this instance: We try 3 variants of each training set to fine-tune our models: (i) the original one in English (Orig), (ii) an English paraphrase of it generated through back-translation using Spanish or Finnish as pivot (BT-ES and BT-FI), and (iii) a machine translated version in Spanish or Finnish (MT-ES and MT-FI). 
 Question: What languages do they use in their experiments?
Student:
English Spanish Finnish