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

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

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