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

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

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