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

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

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