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

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

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