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

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

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