TASK DEFINITION: In this task, you are given two sentences. Your task is to classify the given sentences as "Yes" if they have same meaning; otherwise, classify them as "No". 
PROBLEM: Sentence-1: I went to a Taylor Swift concert in high school.<sep>Sentence-2: I have been to a concert before .

SOLUTION: Yes

PROBLEM: Sentence-1: Only if I can get tickets.<sep>Sentence-2: I will be going to see The Killers at Glastonbury this year .

SOLUTION: Yes

PROBLEM: Sentence-1: I could use a nap.<sep>Sentence-2: I am tired .

SOLUTION:
Yes