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

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

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