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

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

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