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

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

*GRAMMAR*
tufa -> YELLOW 
 kiki -> PINK 
 wif -> BLUE 
 dax -> GREEN 
 u1 zup u2 -> [u2] [u1] 
 x1 gazzer -> [x1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 