Problem: S1: The soundtrack also featured the song '' Unchained Melody '' from 1955 , composed by Alex North with texts by Hy Zaret .
S2: The soundtrack also featured the 1955 song '' Unchained Melody '' , composed by Hy Zaret with lyrics by Alex North .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: This can be caused by the loss of three additional genes , each of which has different effects , resulting in three types of syndrome .
S2: This may be caused by the loss of three different additional genes , each of which has different effects , resulting in three types of syndrome .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Donnelly was one of several players born in Ireland who benefited from the FAI 's attempts to establish their all-Northern Ireland influence .
S2: Donnelly was one of several players born in Northern Ireland who benefited from the FAI 's attempts to justify their all-Ireland influence .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no