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

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

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