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

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

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