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

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

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