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

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

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