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

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

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