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

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

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