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

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

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