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

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

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