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

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

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