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

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

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