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

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

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