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

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

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