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

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

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