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

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

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