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

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

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