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

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

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