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

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

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