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

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

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