Premise: Masséna knew that Charles' left wing, commanded by Nauendorf, uniting with Hotze's force, approaching from the east, would attack and very likely push him out of Zürich.
Hypothesis: If Charles' left wing, commanded by Nauendorf, united with Hotze's force, approaching from the east, Masséna knew Charles would attack and very likely push him out of Zürich.
Relationship: entailment