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

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

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