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

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

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