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

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

*GRAMMAR*
blicket -> GREEN 
 zup -> YELLOW 
 fep -> RED 
 tufa -> PURPLE 
 x1 lug u1 -> [x1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 gazzer u2 -> [u2] [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 