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

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

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