*SUPPORT*
IN: dax fep blicket OUT: RED YELLOW RED YELLOW RED YELLOW
IN: fep fep lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer zup OUT: GREEN GREEN
IN: dax OUT: RED
IN: dax dax OUT: RED RED
IN: gazzer lug OUT: GREEN GREEN GREEN
IN: gazzer blicket OUT: GREEN GREEN GREEN
IN: wif blicket OUT: PURPLE PURPLE PURPLE
IN: fep wif zup OUT: YELLOW PURPLE PURPLE
IN: wif OUT: PURPLE
IN: dax fep lug OUT: RED YELLOW RED YELLOW RED YELLOW
IN: gazzer wif OUT: GREEN PURPLE
IN: dax zup OUT: RED RED
IN: gazzer gazzer zup OUT: GREEN GREEN GREEN

*QUERY*
IN: fep zup OUT: YELLOW YELLOW
IN: fep gazzer zup OUT: YELLOW GREEN GREEN
IN: gazzer zup blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif zup OUT: PURPLE PURPLE
IN: fep zup blicket OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep gazzer OUT: YELLOW GREEN
IN: dax fep OUT: RED YELLOW
IN: dax lug OUT: RED RED RED
IN: fep OUT: YELLOW
IN: gazzer gazzer OUT: GREEN GREEN

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