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

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

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