How would one parse "if A and B or C"? You'd want to add parentheses "(A and B) or C"; or "A and (B or C)". For a simple case, a comma might suffice, but more c

How would one parse "if A and B or C"? You'd want to add parentheses "(A and B) or C"; or "A and (B or C)". For a simple case, a comma might suffice, but more conditions can get difficult to express unambiguously in plain language.