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

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

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