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

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

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