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

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

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