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

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

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