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

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

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