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

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

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