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

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

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