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

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

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