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

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

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