*SUPPORT*
IN: zup fep kiki wif OUT: PURPLE RED PURPLE RED
IN: lug wif OUT: GREEN GREEN
IN: lug lug OUT: GREEN GREEN
IN: lug fep kiki OUT: PURPLE GREEN
IN: tufa fep zup OUT: RED PINK
IN: kiki OUT: PURPLE
IN: tufa zup fep kiki OUT: PINK PURPLE RED
IN: zup fep kiki dax kiki OUT: PURPLE RED PURPLE RED PURPLE RED PURPLE
IN: tufa fep lug OUT: GREEN PINK
IN: tufa fep zup dax zup OUT: RED PINK RED PINK RED PINK RED
IN: kiki fep tufa OUT: PINK PURPLE
IN: tufa lug OUT: PINK GREEN
IN: zup fep lug OUT: GREEN RED
IN: lug dax tufa OUT: GREEN GREEN GREEN PINK

*QUERY*
IN: lug OUT: GREEN
IN: kiki lug wif OUT: PURPLE GREEN PURPLE GREEN
IN: tufa kiki OUT: PINK PURPLE
IN: tufa OUT: PINK
IN: kiki kiki fep zup OUT: PURPLE RED PURPLE
IN: zup lug wif wif OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: lug kiki fep zup OUT: GREEN RED PURPLE
IN: tufa kiki dax zup fep lug OUT: PINK PURPLE PINK PURPLE PINK PURPLE GREEN RED
IN: zup OUT: RED
IN: zup kiki OUT: RED PURPLE

*GRAMMAR*
kiki -> PURPLE 
 tufa -> PINK 
 zup -> RED 
 lug -> GREEN 
 u1 fep u2 -> [u2] [u1] 
 x1 wif -> [x1] [x1] 
 x1 dax x2 -> [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 