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

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

*GRAMMAR*
kiki -> GREEN 
 fep -> PINK 
 gazzer -> RED 
 wif -> BLUE 
 u1 lug u2 -> [u1] [u2] 
 x1 zup -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 