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

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

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