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

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

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