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

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

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