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

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

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