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

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

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