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

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

*GRAMMAR*
dax -> GREEN 
 tufa -> BLUE 
 wif -> YELLOW 
 kiki -> RED 
 u1 zup -> [u1] [u1] 
 x1 lug x2 -> [x1] [x2] 
 x1 gazzer u1 -> [x1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 