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

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

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