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

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

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