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

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

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