21.   Police could not say if the caller used a recognised codeword used by paramilitaries.

n. + use >>共 1017
company 4.37%
police 3.55%
people 3.04%
government 2.19%
team 1.10%
group 0.92%
system 0.89%
worker 0.86%
official 0.82%
doctor 0.77%
caller 0.07%
caller + v. >>共 300
say 11.95%
be 11.81%
claim 4.19%
tell 3.98%
have 3.14%
ask 3.00%
want 1.96%
identify 1.82%
leave 1.75%
get 1.68%
use 1.47%
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