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

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

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