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

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

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