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

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

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