question: How long is the term for Vice-Chair of the Supervisory Board ?
answer: chosen from among the members of the ECB 's Executive Board
turker_answer: The length of the term for the Vice-Chair of the Supervisory Board is chosen from among the members of the ECB 's Executive Board .
rule-based: The term for Vice-Chair of the Supervisory Board is chosen from among the members of the ECB 's Executive Board .