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

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

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