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

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

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