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

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

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