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

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

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