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

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

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