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

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

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