Task: Question Answering
Input (English): For our classification experiments, we use the MH17 Twitter dataset introduced by BIBREF4, a dataset collected in order to study the flow of (dis)information about the MH17 plane crash on Twitter. It contains tweets collected based on keyword search that were posted between July 17, 2014 (the day of the plane crash) and December 9, 2016.

BIBREF4 provide annotations for a subset of the English tweets contained in the dataset. 
 Question: What languages are included in the dataset?
Output (English): English