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

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

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