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

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

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