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

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

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