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

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

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