Problem: S1: In 1881 , he married Agnes Theodora Walther , daughter of Vilhelm Theodor Walther , and his son is the botanist and draftsman Vagn Petersson .
S2: In 1881 , he married Agnes Theodora Walther , daughter of Vagn Petersson , and his son is the botanist and sketch artist Vilhelm Theodor Walther .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: In April 2015 , Schultz left Lundbeck to assume a position as CEO of Novo Nordisk .
S2: In April 2015 , Schultz Novo left Nordisk to assume a position as CEO of Lundbeck .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Agnes Milowka ( 23 December 1981 - 27 February 2011 ) was an underwater diver , Australian technical photographer , author , maritime archaeologist and cave explorer .
S2: Agnes Milowka ( 23 December 1981 -- 27 February 2011 ) was an underwater diver , Australian technical photographer , author , maritime archaeologist and cave explorer .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes