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

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

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