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

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

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