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

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

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