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

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

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