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

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

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