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

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

*GRAMMAR*
lug -> GREEN 
 wif -> BLUE 
 dax -> PURPLE 
 tufa -> RED 
 u1 zup x1 -> [x1] [u1] 
 u1 fep u2 -> [u2] [u2] [u1] 
 u1 gazzer u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 