Question:
S1: Russian cosmonaut Malenchenko managed a space first earlier this month by marrying his earth-bound fiance by space phone .
S2: Russian cosmonaut Malenchenko achieved a first earlier this month when he married his earth-bound fiancee by video link .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: " The United States welcomes a greater NATO role in Iraq 's stabilization , " Powell said .
S2: " The United States welcomes a greater NATO role in Iraq 's stabilization , " Mr. Powell told his colleagues in a speech today .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: Late last year , for example , more than 1800 US soldiers were placed in Djibouti to conduct counter-terrorism operations in the Horn of Africa .
S2: Since late last year , for example , more than 1,800 members of the American military have been placed in Djibouti to conduct counterterrorism operations in the Horn of Africa .
Are S1 and S2 the same?
Answer:
yes

Question:
S1: I never organised a youth camp for the diocese of Bendigo .
S2: I never attended a youth camp organised by that diocese . "
Are S1 and S2 the same?
Answer:
no