*SUPPORT*
IN: wif OUT: BLUE
IN: fep fep blicket gazzer OUT: GREEN PURPLE GREEN
IN: wif fep kiki fep OUT: BLUE GREEN GREEN
IN: gazzer blicket fep OUT: GREEN PURPLE
IN: lug lug OUT: PINK PINK
IN: gazzer OUT: PURPLE
IN: lug kiki lug OUT: PINK PINK
IN: wif blicket gazzer OUT: PURPLE BLUE
IN: wif kiki lug OUT: BLUE PINK
IN: lug blicket lug OUT: PINK PINK
IN: gazzer lug blicket wif OUT: PURPLE BLUE PINK
IN: fep kiki gazzer OUT: GREEN PURPLE
IN: fep blicket wif OUT: BLUE GREEN
IN: lug kiki wif OUT: PINK BLUE

*QUERY*
IN: wif blicket wif OUT: BLUE BLUE
IN: wif blicket lug OUT: PINK BLUE
IN: gazzer kiki wif OUT: PURPLE BLUE
IN: wif kiki gazzer OUT: BLUE PURPLE
IN: gazzer blicket wif OUT: BLUE PURPLE
IN: fep blicket gazzer OUT: PURPLE GREEN
IN: fep blicket lug OUT: PINK GREEN
IN: lug OUT: PINK
IN: fep kiki fep OUT: GREEN GREEN
IN: gazzer kiki fep OUT: PURPLE GREEN

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