Problem: S1: Although Porter survived , neither he nor Draper were charged with either Walsh or Irving 's death .
S2: Although Porter survived , neither he nor Walsh were charged with either the draper or Irving 's death .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: During a transit , Earth would be visible from Mars as a small black disc moving across the face of the Sun .
S2: During a transit , Mars would be visible from Earth as a small black disc moving over the face of the sun .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: It has been designed fully to be ergonomically compatible with 90 percent of the pilot population and safe-compatible with 99 percent .
S2: It has been ergonomically designed to be fully compatible with 90 percent of the pilot population and compatible with 99 percent safely .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no