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

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

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