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

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

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