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

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

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