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

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

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