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

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

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