Session Alignment
Study: Monolingual Interpretative Text Production CS19
Session: P02_U6.xml
Participant: 2 · Modality: U — Monolingual Summarization · Text: 6
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Source Tokens:
139
Target Tokens:
71
Alignments:
148
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S1+2+3+4+5+6+7
The
majority
of
hunter
-
gatherer
societies
are
nomadic
.
It
is
difficult
to
be
settled
under
such
a
subsistence
system
as
the
resources
of
one
region
can
quickly
become
exhausted
.
Hunter
-
gatherer
societies
also
tend
to
have
very
low
population
densities
as
a
result
of
their
subsistence
system
.
Agricultural
subsistence
systems
can
support
population
densities
60
to
100
times
greater
than
land
left
uncultivated
,
resulting
in
denser
populations
.
Hunter
-
gatherer
societies
also
tend
to
have
non
-
hierarchical
social
structures
,
though
this
is
not
always
the
case
.
Because
hunter
-
gatherers
tend
to
be
nomadic
,
they
generally
do
not
have
the
possibility
to
store
surplus
food
.
As
a
result
,
full
-
time
leaders
,
bureaucrats
,
or
artisans
are
rarely
supported
by
hunter
-
gatherer
societies
.
T1+2+3+4+5+6
Hunter
-
gatherer
societies
tend
to
relocate
frequently
because
the
resources
they
depend
on
can
become
depleted
quickly
.
Populations
of
hunter
-
gatherer
societies
tend
to
be
lower
and
hunter
-
gatherer
societies
also
tend
to
lack
a
social
hierarchy
because
relocating
makes
it
difficult
to
store
food
and
support
members
of
society
that
do
not
actively
collect
food
full
time
such
as
leaders
,
bureaucrats
,
and
artisans
.