TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: Aspen Technology 's shares dropped 74 cents , or 23 percent , to close at $ 2.48 on the Nasdaq ., Sentence2: In afternoon trading , Aspen 's shares were off 89 cents or more than 27 percent at $ 2.33 per share .

SOLUTION: Yes

PROBLEM: Sentence1: " We continue to work with the Saudis on this , but they did not , as of the time of this tragic event , provide the additional security we requested . ", Sentence2: " But they did not , as of the time of this particular tragic event , provide the security we had requested , " Mr Jordan said .

SOLUTION: No

PROBLEM: Sentence1: Lt. Scotty Smither , a county firefighter , was struck by lightning ., Sentence2: A county firefighter , was struck by lightning and was in stable condition at Frankfort Regional Medical Center .

SOLUTION:
No