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

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

*GRAMMAR*
gazzer -> PURPLE 
 kiki -> BLUE 
 fep -> GREEN 
 dax -> RED 
 u1 wif -> [u1] [u1] [u1] [u1] 
 x1 tufa -> [x1] [x1] 
 x1 zup x2 -> [x1] [x2] [x2] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 