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

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

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