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

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

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