*SUPPORT*
IN: zup fep OUT: GREEN GREEN
IN: kiki fep OUT: YELLOW YELLOW
IN: kiki OUT: YELLOW
IN: zup wif OUT: GREEN BLUE
IN: lug dax lug OUT: PURPLE PURPLE
IN: wif zup blicket OUT: BLUE GREEN GREEN GREEN
IN: wif blicket OUT: BLUE BLUE BLUE
IN: kiki dax kiki OUT: YELLOW YELLOW
IN: lug fep OUT: PURPLE PURPLE
IN: zup OUT: GREEN
IN: wif kiki dax wif OUT: BLUE BLUE YELLOW
IN: kiki dax zup OUT: GREEN YELLOW
IN: kiki wif lug OUT: YELLOW BLUE PURPLE
IN: zup zup fep OUT: GREEN GREEN GREEN

*QUERY*
IN: zup kiki blicket OUT: GREEN YELLOW YELLOW YELLOW
IN: zup blicket OUT: GREEN GREEN GREEN
IN: wif fep OUT: BLUE BLUE
IN: wif zup fep OUT: BLUE GREEN GREEN
IN: lug lug dax lug OUT: PURPLE PURPLE PURPLE
IN: kiki blicket OUT: YELLOW YELLOW YELLOW
IN: lug blicket OUT: PURPLE PURPLE PURPLE
IN: zup dax lug OUT: PURPLE GREEN
IN: lug dax wif OUT: BLUE PURPLE
IN: lug OUT: PURPLE

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