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

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

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