*SUPPORT*
IN: lug blicket tufa OUT: PINK RED
IN: lug zup lug gazzer lug zup OUT: PINK PURPLE PINK PINK PURPLE
IN: tufa gazzer zup OUT: RED PURPLE
IN: tufa gazzer lug blicket tufa OUT: RED PINK RED
IN: tufa wif lug OUT: RED PINK
IN: dax dax blicket tufa OUT: YELLOW YELLOW RED
IN: tufa OUT: RED
IN: zup wif lug OUT: PURPLE PINK
IN: tufa blicket lug OUT: RED PINK
IN: zup OUT: PURPLE
IN: zup gazzer tufa OUT: PURPLE RED
IN: zup gazzer dax blicket lug OUT: PURPLE YELLOW PINK
IN: zup blicket dax OUT: PURPLE YELLOW
IN: zup gazzer dax lug blicket dax OUT: PURPLE YELLOW PINK YELLOW

*QUERY*
IN: dax blicket dax OUT: YELLOW YELLOW
IN: zup dax blicket lug OUT: PURPLE YELLOW PINK
IN: dax tufa wif zup blicket dax OUT: YELLOW RED PURPLE YELLOW
IN: zup lug wif zup wif tufa wif zup OUT: PURPLE PINK PURPLE RED PURPLE
IN: tufa gazzer tufa wif zup blicket zup OUT: RED RED PURPLE PURPLE
IN: zup zup blicket zup OUT: PURPLE PURPLE PURPLE
IN: zup wif dax OUT: PURPLE YELLOW
IN: dax wif dax gazzer zup lug OUT: YELLOW YELLOW PURPLE PINK
IN: zup gazzer zup gazzer tufa OUT: PURPLE PURPLE RED
IN: zup tufa blicket dax OUT: PURPLE RED YELLOW

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