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

*QUERY*
IN: wif OUT: PURPLE
IN: wif fep blicket dax lug tufa blicket OUT: GREEN RED GREEN YELLOW PURPLE
IN: dax kiki blicket wif OUT: RED GREEN PURPLE
IN: blicket tufa dax tufa dax OUT: RED RED GREEN
IN: wif kiki lug tufa wif OUT: PURPLE PURPLE YELLOW
IN: blicket tufa dax tufa wif OUT: PURPLE RED GREEN
IN: blicket tufa wif kiki dax OUT: PURPLE RED GREEN
IN: dax dax wif tufa wif kiki dax OUT: RED RED PURPLE RED PURPLE
IN: wif tufa dax wif OUT: RED PURPLE PURPLE
IN: lug wif OUT: YELLOW PURPLE

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