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

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

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