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

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

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