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

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

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