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

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

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