The Sentence Diagram Generator visually represents the grammatical structure of the sentence: "Mr. Mehl’s wife is a kind, hard-working, passionate soul whose greatest commitment is seeking justice for vulnerable people."

1. Subject: Mr. Mehl’s wife
   • Modifiers: kind, hard-working, passionate
2. Predicate: is
3. Subject Complement: a kind, hard-working, passionate soul
4. Relative Clause: whose greatest commitment is seeking justice for vulnerable people
   • Subject: greatest commitment
   • Predicate: is seeking
   • Direct Object: justice
   • Modifiers: for vulnerable people

This structure can be visually represented using the Sentence Diagram Generator to illustrate the relationships between the components of the sentence.