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

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

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