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

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

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