L yme disease is caused by a spirochete (spiral-shaped bacterium), Borrelia burgdorferi -- discovered by a team that 
(L yme disease; is caused; by a spirochete (spiral-shaped bacterium) (a spirochete (spiral-shaped bacterium; discovered; by a team)
L yme disease a spirochete (spiral-shaped bacterium
is caused discovered
by a spirochete (spiral-shaped bacterium
by a team