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

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

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