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

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

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