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

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

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