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

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

*GRAMMAR*
gazzer -> RED 
 wif -> PURPLE 
 fep -> BLUE 
 zup -> PINK 
 u1 blicket x1 -> [x1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 