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

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

*GRAMMAR*
zup -> GREEN 
 kiki -> BLUE 
 gazzer -> PINK 
 fep -> YELLOW 
 x1 lug x2 -> [x2] [x1] [x1] 
 u1 dax u2 -> [u2] [u1] [u1] 
 u1 wif -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 