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

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

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