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

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

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