QUES: Typhoon Maemi later moved out over the Sea of Japan , where it weakened considerably , the meteorology department said .

Typhoon Maemi was on Saturday night moving over the Sea of Japan , where it had weakened considerably , the meteorology department said .

The sentences above mean the same or not?
****
ANS: yes

QUES: " There 's nothing we can do to stop " the water flow , Stegman said .

" Right now , there is nothing we can do , " Stegman said .

The sentences above mean the same or not?
****
ANS: no

QUES: Tornadoes , up to a foot of rain and hail as big as cantaloupes pounded southern Nebraska and northern Kansas , killing one man and destroying at least four homes .

Up to a foot of rain and at least seven tornadoes pounded southern Nebraska and northern Kansas , killing a man and destroying at least four homes .

The sentences above mean the same or not?
****
ANS:
yes