*SUPPORT*
IN: lug kiki lug lug tufa lug tufa fep OUT: RED BLUE BLUE BLUE BLUE
IN: gazzer OUT: GREEN
IN: dax dax blicket OUT: PURPLE PURPLE PURPLE
IN: lug blicket tufa gazzer OUT: GREEN BLUE BLUE
IN: lug tufa lug OUT: BLUE BLUE
IN: gazzer lug OUT: GREEN BLUE
IN: lug gazzer kiki gazzer blicket tufa lug OUT: BLUE BLUE GREEN GREEN GREEN
IN: dax dax lug blicket tufa dax OUT: PURPLE PURPLE PURPLE BLUE BLUE
IN: lug blicket OUT: BLUE BLUE
IN: fep kiki lug blicket tufa fep OUT: RED BLUE BLUE RED
IN: lug tufa dax OUT: PURPLE BLUE
IN: gazzer tufa dax OUT: PURPLE GREEN
IN: fep lug kiki dax gazzer blicket OUT: RED PURPLE GREEN GREEN BLUE
IN: dax kiki lug OUT: BLUE PURPLE

*QUERY*
IN: lug gazzer gazzer fep tufa fep OUT: RED BLUE GREEN GREEN RED
IN: gazzer kiki gazzer OUT: GREEN GREEN
IN: gazzer blicket OUT: GREEN GREEN
IN: fep OUT: RED
IN: lug kiki dax tufa dax OUT: PURPLE PURPLE BLUE
IN: dax kiki lug blicket tufa dax OUT: PURPLE BLUE BLUE PURPLE
IN: fep kiki gazzer kiki dax OUT: PURPLE GREEN RED
IN: fep blicket tufa dax tufa dax OUT: PURPLE PURPLE RED RED
IN: fep blicket OUT: RED RED
IN: fep tufa gazzer OUT: GREEN RED

*GRAMMAR*
fep -> RED 
 gazzer -> GREEN 
 lug -> BLUE 
 dax -> PURPLE 
 x1 tufa u1 -> [u1] [x1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 