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

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

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