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

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

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