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

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

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