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

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

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