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

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

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