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

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

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