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

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

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