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

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

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