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

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

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