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

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

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