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

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

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