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

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

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