instruction: Tell me whether these golfers are right-handed or left-handed: Phil Mickelson, Sergio Garcia, Bubba Watson, Kevin Na, Carlos Ortiz, Brooks Koepka
response: Phil Mickelson: Left-handed
  Sergio Garcia: Right-handed
  Bubba Watson: Left-handed
  Kevin Na: Right-handed
  Carlos Ortiz: Right-handed
  Brooks Koepka: Right-handed