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

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

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