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

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

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