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

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

*GRAMMAR*
gazzer -> RED 
 fep -> PURPLE 
 kiki -> GREEN 
 wif -> YELLOW 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] 
 x1 dax x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 