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

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

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