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

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

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