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

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

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