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

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

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