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

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

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