Q: Pen Hadow , who became the first person to reach the geographic North Pole unsupported from Canada , has just over two days of rations left .

Pen Hadow became the first man last week to reach the geographic North Pole on an unsupported trek through Canada , a journey of about 770 km .

Please tell me if the sentences above mean the same.
A: no
Q: Under the program , U.S. officials work with foreign port authorities to identify , target and search high-risk cargo .

Under the program , US officials work with foreign port authorities to seek out high-risk cargo before it can reach the United States .

Please tell me if the sentences above mean the same.
A: yes
Q: " Our policies are well-known , and I 'm not aware of any changes in policy " on Iran , Powell said .

" Our policies are well known and I 'm not aware of any changes , " Secretary of State Colin Powell said Tuesday .

Please tell me if the sentences above mean the same.
A:
yes