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

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

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