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

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

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