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

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

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