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

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

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