question: silver dollar:silver:currency
choices.label: A B C D
choices.text: bamboo raft:bamboo:wooden boat tile:earth:roof the chinese lute:wood:string music gear:metal:mechine
explanation: "silver" is the raw material of the "silver dollar", which is a kind of "currency". "bamboo" is the raw material of the "bamboo raft". both "bamboo raft" and "wooden boat" are water vehicles. "bamboo raft" is not a kind of "wooden boat". "earth" is the raw material of "tiles", which is the component of the "roof". the "tile" is not a kind of "roof". "wood" is the raw material of "the chinese lute", which is a kind of "string musical" instrument. "string music" can be played by "the chinese lute", and it is not a kind of "string music". "metal" is the raw material of a "gear", which is a kind of "machine".
relation: silver dollar silver R3.7
relation: silver dollar currency R2.2
relation: bamboo raft bamboo R3.7
relation: bamboo raft wooden boat R2.4
relation: tile earth R3.7
relation: tile roof R2.3
relation: the chinese lute wood R3.7
relation: the chinese lute string music R3.10
relation: gear metal R3.7
relation: gear mechine R2.2