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

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

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