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

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

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