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

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

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