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

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

*GRAMMAR*
zup -> RED 
 gazzer -> BLUE 
 fep -> GREEN 
 wif -> PINK 
 x1 lug x2 -> [x1] [x2] 
 x1 kiki -> [x1] [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 