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

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

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