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

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

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