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

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

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