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

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

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