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

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

*GRAMMAR*
lug -> BLUE 
 fep -> RED 
 wif -> PURPLE 
 zup -> YELLOW 
 x1 gazzer -> [x1] [x1] 
 u1 tufa x1 -> [x1] [u1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 