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

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

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