*SUPPORT*
IN: zup zup wif kiki OUT: RED PURPLE RED
IN: zup wif dax OUT: GREEN RED
IN: tufa zup zup zup gazzer OUT: PINK RED RED RED RED
IN: kiki tufa wif dax OUT: PURPLE GREEN PINK
IN: zup OUT: RED
IN: zup kiki fep OUT: RED PURPLE PURPLE
IN: tufa OUT: PINK
IN: dax fep OUT: GREEN GREEN
IN: dax gazzer OUT: GREEN GREEN
IN: tufa tufa zup kiki kiki gazzer OUT: PINK PINK RED PURPLE PURPLE PURPLE
IN: kiki OUT: PURPLE
IN: tufa kiki tufa OUT: PINK PURPLE PINK
IN: kiki zup fep OUT: PURPLE RED RED
IN: kiki fep OUT: PURPLE PURPLE

*QUERY*
IN: zup fep OUT: RED RED
IN: tufa zup zup zup fep OUT: PINK RED RED RED RED
IN: kiki kiki fep OUT: PURPLE PURPLE PURPLE
IN: kiki gazzer OUT: PURPLE PURPLE
IN: tufa gazzer OUT: PINK PINK
IN: zup dax fep OUT: RED GREEN GREEN
IN: zup gazzer OUT: RED RED
IN: dax OUT: GREEN
IN: dax wif tufa OUT: PINK GREEN
IN: tufa wif tufa OUT: PINK PINK

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