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

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

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