*SUPPORT*
IN: tufa zup OUT: YELLOW YELLOW
IN: tufa OUT: YELLOW
IN: tufa zup zup fep OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif gazzer zup OUT: BLUE BLUE BLUE BLUE
IN: tufa tufa OUT: YELLOW YELLOW
IN: dax fep zup zup OUT: RED RED RED RED RED RED RED RED
IN: wif zup zup OUT: BLUE BLUE BLUE BLUE
IN: tufa gazzer OUT: YELLOW YELLOW
IN: wif OUT: BLUE
IN: tufa gazzer zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer fep zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa fep OUT: YELLOW YELLOW
IN: wif gazzer OUT: BLUE BLUE
IN: wif dax OUT: BLUE RED

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

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