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

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

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