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

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

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