Task: Question Answering
Input (English): DeepMine is publicly available for everybody with a variety of licenses for different users. It was collected using crowdsourcing BIBREF4. The data collection was done using an Android application. Each respondent installed the application on his/her personal device and recorded several phrases in different sessions.  
 Question: how was the speech collected?
Output (English): The speech was collected from respondents using an android application.