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

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

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