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

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

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