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

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

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