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

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

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