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

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

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