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

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

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