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

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

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