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

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

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