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

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

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