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

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

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