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

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

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