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

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

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