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

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

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