*SUPPORT*
IN: zup lug kiki fep OUT: RED GREEN PURPLE
IN: lug OUT: PURPLE
IN: gazzer zup kiki zup OUT: YELLOW RED RED
IN: gazzer kiki zup dax OUT: RED YELLOW RED YELLOW RED YELLOW RED YELLOW
IN: lug dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer kiki lug dax OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: gazzer tufa OUT: YELLOW YELLOW
IN: zup kiki fep dax OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: gazzer OUT: YELLOW
IN: zup kiki gazzer OUT: YELLOW RED
IN: gazzer lug zup OUT: YELLOW PURPLE RED
IN: fep kiki fep OUT: GREEN GREEN
IN: gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup kiki zup OUT: RED RED

*QUERY*
IN: fep kiki lug dax OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: zup OUT: RED
IN: zup tufa OUT: RED RED
IN: lug tufa OUT: PURPLE PURPLE
IN: fep OUT: GREEN
IN: lug kiki zup OUT: RED PURPLE
IN: fep tufa OUT: GREEN GREEN
IN: gazzer kiki fep OUT: GREEN YELLOW
IN: fep zup OUT: GREEN RED
IN: fep kiki gazzer OUT: YELLOW GREEN

*GRAMMAR*
fep -> GREEN 
 gazzer -> YELLOW 
 lug -> PURPLE 
 zup -> RED 
 x1 dax -> [x1] [x1] [x1] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 