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

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

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