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

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

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