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

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

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