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

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

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