question: What is the difference in appearance between an RLV disc and a regular LD ?
answer: reflective purple-violet ( or blue with some RLV discs ) color
turker_answer: The difference in appearance between an RLV disc and a regular LD is the reflective purple-violet ( or blue with some RLV discs ) color .
rule-based: The difference in appearance between an RLV disc and a regular LD is reflective purple-violet ( or blue with some RLV discs ) color .