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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> GREEN 
 dax -> PURPLE 
 fep -> RED 
 x1 zup -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 