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

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

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