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

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

*GRAMMAR*
gazzer -> RED 
 wif -> PURPLE 
 kiki -> GREEN 
 dax -> YELLOW 
 x1 tufa -> [x1] [x1] [x1] 
 u1 zup u2 -> [u1] [u2] [u2] 
 x1 lug x2 -> [x1] [x2] [x1] [x1] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 