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

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

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