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

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

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