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

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

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