Problem: Wwo sentences:
The technology-laced Nasdaq Composite Index < .IXIC > declined 16.68 points , or 1.01 percent , at 1,636.94 .
The broader Standard & Poor 's 500 Index .SPX eased 7.57 points , or 0.76 percent , at 990.94 .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Galveston County District Attorney Kurt Sistrunk said his office received the recordings this week .
Galveston County District Attorney Kurt Sistrunk told Criss Wednesday his office only this week received the recordings .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The United States and Russia have spent billions since the 1960s on a handful of space craft designed to land on Mars .
The United States and Russia spent billions on a dozen or so robotic craft meant to land on Mars and radio back their findings .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The technology-laced Nasdaq Composite Index < .IXIC > added 1.92 points , or 0.12 percent , at 1,647.94 .
The technology-laced Nasdaq Composite Index .IXIC dipped 0.08 of a point to 1,646 .
Do they have the same meaning?

Answer:
no