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

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

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