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

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

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