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

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

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