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

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

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