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

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

*GRAMMAR*
lug -> GREEN 
 zup -> BLUE 
 dax -> PINK 
 wif -> PURPLE 
 u1 gazzer u2 -> [u1] [u2] 
 x1 kiki x2 -> [x1] [x2] 
 x1 fep u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 