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

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

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