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

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

*GRAMMAR*
blicket -> BLUE 
 kiki -> PURPLE 
 tufa -> YELLOW 
 fep -> GREEN 
 u1 dax -> [u1] [u1] 
 u1 zup u2 -> [u1] [u2] [u1] [u2] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 