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

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

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