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

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

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