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

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

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