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

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

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