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

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

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