Problem: S1: Voltage-driven ion channels are a class of transmembrane proteins that form ion channels activated by changes in the electrical membrane potential near the channel .
S2: Voltage-gated ion channels are a class of electrical proteins that form ion channels that are activated by changes in the transmembrane membrane potential near the channel .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Viner was the official Laverne Cox for the Logo TV network at the premier of Marsh 's '' The T Word . ''
S2: Viner was the official laverne Cox for the Logo TV network at the premiere of Marsh 's '' The T Word '' .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: After meeting with '' O 13 '' , which returned from the Netherlands , both ships returned to the West Indies .
S2: After the meeting with '' O 13 '' , which had returned from the Netherlands , both ships returned to West India .

Do S1 & S2 convey the same information?

A:
yes