*SUPPORT*
IN: wif fep wif fep kiki OUT: RED RED PINK
IN: dax OUT: YELLOW
IN: tufa kiki OUT: PURPLE PINK
IN: kiki tufa OUT: PINK PURPLE
IN: wif kiki kiki OUT: RED PINK PINK
IN: kiki tufa blicket wif wif fep wif OUT: RED RED PINK PURPLE RED
IN: tufa OUT: PURPLE
IN: wif dax fep tufa blicket tufa OUT: PURPLE RED YELLOW PURPLE
IN: kiki OUT: PINK
IN: kiki tufa blicket wif OUT: RED PINK PURPLE
IN: tufa fep dax gazzer dax fep kiki OUT: YELLOW PINK PURPLE YELLOW PURPLE YELLOW
IN: kiki kiki OUT: PINK PINK
IN: dax tufa blicket wif kiki OUT: RED PINK YELLOW PURPLE
IN: wif OUT: RED

*QUERY*
IN: dax tufa fep dax OUT: YELLOW PURPLE YELLOW
IN: dax fep kiki OUT: YELLOW PINK
IN: kiki kiki gazzer dax OUT: YELLOW PINK PINK PINK PINK
IN: dax blicket dax fep dax OUT: YELLOW YELLOW YELLOW
IN: tufa fep wif OUT: PURPLE RED
IN: tufa fep dax OUT: PURPLE YELLOW
IN: tufa wif wif OUT: PURPLE RED RED
IN: tufa dax tufa OUT: PURPLE YELLOW PURPLE
IN: tufa kiki wif gazzer kiki OUT: PINK PURPLE PINK RED PURPLE PINK RED
IN: tufa fep tufa OUT: PURPLE PURPLE

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