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

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

*GRAMMAR*
blicket -> GREEN 
 tufa -> YELLOW 
 gazzer -> PURPLE 
 zup -> BLUE 
 u1 fep x1 -> [x1] [u1] 
 x1 lug u1 -> [u1] [x1] 
 u1 dax u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 