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

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

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