*SUPPORT*
IN: tufa blicket tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif wif blicket tufa OUT: PINK YELLOW PINK YELLOW PINK
IN: zup kiki OUT: GREEN GREEN
IN: wif blicket wif OUT: PINK PINK PINK PINK
IN: zup OUT: GREEN
IN: tufa blicket zup OUT: GREEN YELLOW GREEN YELLOW
IN: zup zup dax OUT: GREEN GREEN GREEN
IN: gazzer zup kiki OUT: BLUE GREEN GREEN
IN: zup dax OUT: GREEN GREEN
IN: zup blicket gazzer OUT: BLUE GREEN BLUE GREEN
IN: gazzer OUT: BLUE
IN: tufa kiki OUT: YELLOW YELLOW
IN: tufa gazzer kiki OUT: YELLOW BLUE BLUE
IN: gazzer dax OUT: BLUE BLUE

*QUERY*
IN: tufa gazzer dax OUT: YELLOW BLUE BLUE
IN: gazzer tufa OUT: BLUE YELLOW
IN: tufa OUT: YELLOW
IN: wif dax OUT: PINK PINK
IN: wif wif kiki OUT: PINK PINK PINK
IN: wif OUT: PINK
IN: gazzer blicket zup OUT: GREEN BLUE GREEN BLUE
IN: gazzer kiki OUT: BLUE BLUE
IN: gazzer wif OUT: BLUE PINK
IN: tufa blicket wif OUT: PINK YELLOW PINK YELLOW

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