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

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

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