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

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

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