*SUPPORT*
IN: lug fep OUT: RED PINK
IN: lug OUT: RED
IN: zup fep OUT: BLUE PINK
IN: fep tufa tufa zup dax lug OUT: RED PINK PURPLE PURPLE BLUE
IN: tufa zup OUT: PURPLE BLUE
IN: tufa fep zup lug OUT: PURPLE PINK BLUE RED
IN: fep OUT: PINK
IN: tufa fep OUT: PURPLE PINK
IN: zup zup dax fep fep dax zup OUT: BLUE PINK PINK BLUE BLUE
IN: lug lug OUT: RED RED
IN: tufa wif tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: lug lug dax tufa blicket fep fep zup OUT: PURPLE PINK PINK BLUE RED RED
IN: tufa fep wif fep OUT: PINK PURPLE PINK PINK PURPLE PINK PINK
IN: lug lug zup OUT: RED RED BLUE

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

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