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

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

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