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

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

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