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

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

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