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

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

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