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

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

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