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

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

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