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

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

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