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

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

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