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

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

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