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

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

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