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

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

*GRAMMAR*
wif -> RED 
 tufa -> YELLOW 
 fep -> PINK 
 kiki -> BLUE 
 u1 gazzer u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 