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

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

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