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

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

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