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

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

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