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

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

*GRAMMAR*
dax -> YELLOW 
 blicket -> PURPLE 
 wif -> BLUE 
 zup -> GREEN 
 x1 fep x2 -> [x1] [x1] [x2] 
 u1 lug -> [u1] [u1] 
 x1 kiki -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 