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

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

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