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

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

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