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

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

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