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

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

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