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

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

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