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

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

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