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

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

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