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

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

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