How do you say "a sign that" as in "That is *a sign that* your rabbit loves you."?

Latin Learning Latin
1

How do you say “a sign that” as in “That is a sign that your rabbit loves you.”?

Would it be “Id est signum quod tuus cuniculus te amet.”? Or “Id est signum ut tuus cuniculus te amet.”? Or “Id est signum tui cuniculi te amandi.” (the gerund going in the genitive case)? Or something else?

2

Perhaps you could use a relative clause? What is the preceding sentence?

3

indicium quod monstrat

Istud est indicium quod monstrat cuniculum tuum amare te.

Quod here would be a nominative relative pronoun.