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

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

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