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

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

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