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

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

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