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

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

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