*SUPPORT*
IN: lug kiki OUT: RED RED RED
IN: wif zup blicket zup OUT: GREEN BLUE BLUE
IN: tufa OUT: PINK
IN: zup wif tufa blicket zup OUT: BLUE GREEN PINK BLUE
IN: lug tufa blicket lug OUT: RED PINK RED
IN: lug dax OUT: RED RED
IN: zup lug blicket zup OUT: BLUE RED BLUE
IN: wif dax OUT: GREEN GREEN
IN: zup blicket lug OUT: BLUE RED
IN: tufa dax OUT: PINK PINK
IN: zup dax OUT: BLUE BLUE
IN: lug wif tufa OUT: RED GREEN PINK
IN: tufa blicket wif OUT: PINK GREEN
IN: wif kiki OUT: GREEN GREEN GREEN

*QUERY*
IN: zup kiki OUT: BLUE BLUE BLUE
IN: zup OUT: BLUE
IN: lug blicket tufa OUT: RED PINK
IN: wif OUT: GREEN
IN: wif blicket tufa OUT: GREEN PINK
IN: zup zup wif blicket zup OUT: BLUE BLUE GREEN BLUE
IN: lug OUT: RED
IN: zup wif kiki OUT: BLUE GREEN GREEN GREEN
IN: tufa blicket lug OUT: PINK RED
IN: zup blicket zup OUT: BLUE BLUE

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