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

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

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