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

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

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