question: Who was the well known sea vessel captain of the Greeks who sailed to Asia ?
answer: Cosmas Indicopleustes ( Cosmas who sailed to India )
turker_answer: Cosmas Indicopleustes ( Cosmas who sailed to India ) was a well-known Greek sea vessel Captain .
rule-based: Cosmas Indicopleustes ( Cosmas who sailed to India was the well known sea vessel captain of the Greeks who sailed to Asia .