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

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

*GRAMMAR*
dax -> YELLOW 
 tufa -> RED 
 kiki -> BLUE 
 blicket -> GREEN 
 u1 fep -> [u1] [u1] [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 wif u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 