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

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

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