*SUPPORT*
IN: kiki gazzer fep gazzer OUT: RED GREEN GREEN
IN: kiki fep dax OUT: RED BLUE
IN: kiki lug OUT: RED RED RED
IN: dax OUT: BLUE
IN: kiki tufa dax OUT: RED BLUE BLUE
IN: wif OUT: PINK
IN: dax lug OUT: BLUE BLUE BLUE
IN: wif tufa wif OUT: PINK PINK PINK
IN: dax fep wif OUT: BLUE PINK
IN: wif dax dax fep kiki OUT: PINK BLUE BLUE RED
IN: gazzer fep gazzer OUT: GREEN GREEN
IN: kiki tufa wif OUT: RED PINK PINK
IN: dax dax gazzer fep wif OUT: BLUE BLUE GREEN PINK
IN: wif fep gazzer OUT: PINK GREEN

*QUERY*
IN: kiki tufa gazzer OUT: RED GREEN GREEN
IN: kiki wif tufa wif OUT: RED PINK PINK PINK
IN: dax wif fep kiki OUT: BLUE PINK RED
IN: kiki fep kiki OUT: RED RED
IN: wif fep kiki OUT: PINK RED
IN: dax tufa gazzer OUT: BLUE GREEN GREEN
IN: gazzer tufa kiki OUT: GREEN RED RED
IN: wif kiki kiki tufa kiki OUT: PINK RED RED RED RED
IN: dax dax fep gazzer OUT: BLUE BLUE GREEN
IN: dax fep wif lug OUT: BLUE PINK BLUE PINK BLUE PINK

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