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

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

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