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

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

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