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

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

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