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

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

*GRAMMAR*
fep -> YELLOW 
 kiki -> GREEN 
 zup -> PINK 
 blicket -> PURPLE 
 x1 wif x2 -> [x1] [x1] [x1] [x1] [x2] [x2] [x1] 
 x1 tufa u1 -> [x1] [u1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 