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

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

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