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

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

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