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

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

*GRAMMAR*
lug -> RED 
 tufa -> PINK 
 dax -> GREEN 
 blicket -> BLUE 
 x1 zup x2 -> [x1] [x2] 
 u1 fep u2 -> [u2] [u1] [u1] 
 x1 gazzer -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 