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

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

*GRAMMAR*
gazzer -> RED 
 lug -> PURPLE 
 tufa -> BLUE 
 wif -> GREEN 
 u1 blicket u2 -> [u2] [u1] [u1] 
 u1 kiki x1 -> [u1] [x1] [x1] 
 x1 dax x2 -> [x1] [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 