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

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

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