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

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

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