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

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

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