Question: The Roland MC-303 is the first of a series of musical instruments known as a Groovebox, the MC-303 has more in common with other MC prefixed synthesizers, which contain built-in sequencers, than it does with which famous bass synthesizer with built-in sequencer manufactured by the Roland Corporation?
{'answer': 'Roland TB-303', 'supporting_facts': [['Roland MC-303', 2], ['Roland TB-303', 0]]}