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

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

*GRAMMAR*
wif -> YELLOW 
 blicket -> GREEN 
 tufa -> BLUE 
 fep -> PINK 
 u1 zup u2 -> [u1] [u2] 
 u1 kiki u2 -> [u1] [u2] [u2] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 