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

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

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