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

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

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