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

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

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