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

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

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