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

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

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