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

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

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