*SUPPORT*
IN: dax lug fep OUT: GREEN RED GREEN
IN: wif lug zup OUT: BLUE PINK BLUE
IN: wif OUT: PINK
IN: fep kiki dax OUT: RED GREEN RED GREEN GREEN
IN: fep blicket wif lug dax OUT: RED PINK RED GREEN
IN: wif kiki wif OUT: PINK PINK PINK PINK PINK
IN: dax blicket dax OUT: RED RED
IN: wif wif OUT: PINK PINK
IN: wif zup lug zup OUT: PINK BLUE BLUE BLUE
IN: zup dax dax lug fep OUT: BLUE RED GREEN RED GREEN
IN: zup lug zup OUT: BLUE BLUE BLUE
IN: dax OUT: RED
IN: dax lug dax OUT: RED RED RED
IN: fep lug fep OUT: GREEN GREEN GREEN

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

*GRAMMAR*
fep -> GREEN 
 wif -> PINK 
 zup -> BLUE 
 dax -> RED 
 u1 lug u2 -> [u2] [u1] [u2] 
 x1 kiki u1 -> [u1] [x1] [u1] [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 