Question: Which company markets Melarsomine as Immiticide in order to treat a small thread-like worm that causes filariasis in dogs, mainly, but also cats, ferrets, bears, sea lions, and coyotes?
{'answer': 'Merial', 'supporting_facts': [['Melarsomine', 1], ['Dirofilaria immitis', 1], ['Dirofilaria immitis', 2]]}