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

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

*GRAMMAR*
dax -> PURPLE 
 blicket -> GREEN 
 zup -> RED 
 fep -> YELLOW 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 