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

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

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