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

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

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