Problem: S1: Interleukins are a group of cytokines ( secreted proteins and signal molecules ) , which were first seen to be expressed by white blood cells ( leukocytes ) .
S2: Interleukins are a group of cytokines ( secreted proteins and signal molecules ) that were first seen to be expressed by white blood cells ( leukocytes ) .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Cork railway station was on the Dripsey and Muskerry Light Railway in County Cork , Ireland .
S2: Dripsey railway station was on the Cork and Muskerry Light Railway in Cork , Ireland .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The scene in which Lee jumps from a cliff and dives , was done at Greenpoint Warehouse , in Brooklyn with Eminem and video producer Justin Diener .
S2: The scene in which Lee jumps and dives from a cliff was made at the Greenpoint Warehouse in Brooklyn with Eminem and the video producer Justin Diener .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes