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

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

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