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

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

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