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

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

*GRAMMAR*
dax -> PURPLE 
 gazzer -> YELLOW 
 lug -> BLUE 
 tufa -> RED 
 u1 fep -> [u1] [u1] [u1] 
 x1 zup -> [x1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 