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

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

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