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

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

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