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

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

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