1. McClain was one of the pioneers in introducing '' vaudevillized minstrelsy '' , which opened a wider range of styles on the eve of the ragtime era .
2. McClain was one of the pioneers in introducing '' ragtime minstrelsy '' , which opened up a wider range of styles on the eve of the vaudevillized era .
OPTIONS:
- no
- yes

no

A same meaning or not problem: OPTIONS:
- no
- yes
In 1920 , he represented Italy at the Oceanographic Congress in Madrid , and in 1924 represented the geographical society at the International Geographical Congress in Cairo .
In 1920 , he represented Italy at the Oceanographic Congress in Cairo , and in 1924 represented the geographical society at the International Geographical Congress in Madrid .
****
[A]: no

Same meaning?
Lucy made her first appearance as Palmer on 25 August 2014 .
On 25 August 2014 , Palmer had her first appearance as Lucy .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: Chief Pabawena wrote Utah Senator Arthur V. Watkins in 1949 to report :
S2: In 1949 , Pabawena wrote to Utah Senator Arthur V. Watkins to report :

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) The audio companion for live concert was released on January 29 , 2008 as a digital album on iTunes .
(2) The audio companion to the live concert was released as a digital album on iTunes on January 29 , 2008 .

Do (1) and (2) mean the same thing?

OPTIONS:
- no
- yes
A: yes

Problem: (1) Lucius Caecilius Metellus Diadematus was the second son of Roman politician and general Quintus Caecilius Metellus Macedonicus .
(2) Caellilius Metellus Diadematus was the second son of Roman politician and General Quintus Caecilius Metellus Macedonicus .

Do (1) and (2) mean the same thing?

OPTIONS:
- no
- yes
A:
yes