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

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

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