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

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

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