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

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

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