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

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

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