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

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

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