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

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

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