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

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

*GRAMMAR*
tufa -> RED 
 lug -> YELLOW 
 fep -> GREEN 
 blicket -> PURPLE 
 x1 gazzer x2 -> [x1] [x2] 
 u1 wif u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 