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

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

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