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

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

*GRAMMAR*
fep -> RED 
 dax -> GREEN 
 tufa -> PINK 
 zup -> PURPLE 
 u1 wif -> [u1] [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 lug u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 