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

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

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