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

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

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