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

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

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