*SUPPORT*
IN: wif OUT: PINK
IN: lug OUT: BLUE
IN: dax fep OUT: RED RED
IN: dax fep kiki dax OUT: RED RED RED
IN: dax tufa fep OUT: RED GREEN GREEN
IN: tufa wif fep kiki tufa OUT: GREEN GREEN PINK PINK
IN: lug fep kiki dax OUT: RED BLUE BLUE
IN: tufa fep kiki dax OUT: RED GREEN GREEN
IN: tufa lug fep kiki lug OUT: BLUE GREEN BLUE BLUE
IN: tufa blicket tufa tufa blicket tufa kiki dax OUT: RED GREEN GREEN GREEN GREEN
IN: lug wif fep kiki lug OUT: BLUE BLUE PINK PINK
IN: lug kiki tufa OUT: GREEN BLUE
IN: wif fep blicket tufa wif blicket dax fep OUT: RED RED GREEN PINK PINK PINK
IN: lug fep OUT: BLUE BLUE

*QUERY*
IN: dax dax fep kiki dax blicket tufa fep OUT: GREEN GREEN RED RED RED RED
IN: tufa OUT: GREEN
IN: dax fep kiki lug OUT: BLUE RED RED
IN: wif fep OUT: PINK PINK
IN: dax OUT: RED
IN: wif dax fep OUT: PINK RED RED
IN: wif wif OUT: PINK PINK
IN: tufa lug OUT: GREEN BLUE
IN: tufa fep OUT: GREEN GREEN
IN: tufa kiki wif OUT: PINK GREEN

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