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

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

*GRAMMAR*
zup -> RED 
 lug -> YELLOW 
 blicket -> BLUE 
 gazzer -> PURPLE 
 x1 wif x2 -> [x2] [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 