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

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

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