Sensitivity analyses reveal that variations in these assumptions generally would not affect the relative outcomes of alternative policies.
The relative outcomes would not be affected.
Variations in the assumptions would affect the outcomes.
Two men are washing a roof.
The girl is building a  sandcastle.
The world, as a whole, should not expect help or attention from us at all, they need to solve their own crises.
they are at home sleeping
The chef and waitress are talking to each other on the computer.
Firemen are being lowered.