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

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

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