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

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

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