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

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

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