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

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

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