*SUPPORT*
IN: lug fep OUT: PURPLE YELLOW
IN: gazzer dax fep tufa fep OUT: BLUE YELLOW YELLOW
IN: gazzer tufa zup tufa gazzer OUT: BLUE RED BLUE
IN: gazzer gazzer OUT: BLUE BLUE
IN: zup dax zup OUT: RED RED
IN: gazzer dax gazzer tufa fep kiki fep OUT: YELLOW BLUE BLUE YELLOW
IN: fep lug dax lug OUT: YELLOW PURPLE PURPLE
IN: lug dax gazzer OUT: PURPLE BLUE
IN: zup dax fep OUT: RED YELLOW
IN: lug dax fep OUT: PURPLE YELLOW
IN: lug dax lug OUT: PURPLE PURPLE
IN: zup lug dax zup OUT: RED PURPLE RED
IN: zup zup OUT: RED RED
IN: zup dax gazzer tufa gazzer tufa gazzer OUT: RED BLUE BLUE BLUE

*QUERY*
IN: fep dax zup OUT: YELLOW RED
IN: zup dax lug OUT: RED PURPLE
IN: fep fep OUT: YELLOW YELLOW
IN: lug OUT: PURPLE
IN: fep OUT: YELLOW
IN: fep gazzer dax lug kiki zup zup lug OUT: RED RED PURPLE YELLOW BLUE PURPLE
IN: gazzer fep dax zup OUT: BLUE YELLOW RED
IN: gazzer kiki zup dax zup OUT: RED RED BLUE
IN: gazzer zup lug OUT: BLUE RED PURPLE
IN: zup OUT: RED

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