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

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

*GRAMMAR*
fep -> BLUE 
 gazzer -> PURPLE 
 tufa -> RED 
 lug -> GREEN 
 u1 dax u2 -> [u1] [u1] [u2] 
 u1 wif -> [u1] [u1] [u1] 
 x1 zup x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 