*SUPPORT*
IN: zup gazzer blicket fep OUT: RED BLUE PINK
IN: zup OUT: RED
IN: gazzer lug gazzer OUT: BLUE BLUE BLUE
IN: gazzer dax zup OUT: BLUE RED
IN: gazzer tufa lug fep blicket zup OUT: BLUE PURPLE PURPLE PINK RED
IN: fep zup dax fep OUT: PINK RED PINK
IN: tufa lug tufa dax gazzer OUT: PURPLE PURPLE PURPLE BLUE
IN: zup lug zup blicket zup OUT: RED RED RED RED
IN: zup lug zup OUT: RED RED RED
IN: tufa lug fep blicket gazzer OUT: PURPLE PURPLE PINK BLUE
IN: fep blicket tufa OUT: PINK PURPLE
IN: gazzer tufa dax tufa dax gazzer OUT: BLUE PURPLE PURPLE BLUE
IN: gazzer OUT: BLUE
IN: fep dax gazzer blicket tufa OUT: PINK BLUE PURPLE

*QUERY*
IN: fep lug fep OUT: PINK PINK PINK
IN: fep lug gazzer OUT: PINK PINK BLUE
IN: fep lug fep dax gazzer dax zup OUT: PINK PINK PINK BLUE RED
IN: fep OUT: PINK
IN: gazzer gazzer blicket zup blicket gazzer dax zup OUT: BLUE BLUE RED BLUE RED
IN: fep tufa OUT: PINK PURPLE
IN: tufa lug gazzer OUT: PURPLE PURPLE BLUE
IN: zup gazzer OUT: RED BLUE
IN: zup gazzer lug fep blicket tufa OUT: RED BLUE BLUE PINK PURPLE
IN: tufa tufa lug gazzer blicket tufa dax gazzer OUT: PURPLE PURPLE PURPLE BLUE PURPLE BLUE

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