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

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

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