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

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

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