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

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

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