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

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

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