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

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

*GRAMMAR*
kiki -> YELLOW 
 dax -> RED 
 fep -> PURPLE 
 wif -> GREEN 
 x1 tufa x2 -> [x2] [x2] [x2] [x2] [x1] 
 x1 blicket -> [x1] [x1] [x1] [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 