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

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

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