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

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

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