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

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

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