Epistulae VI 20 4-5

1a           First Main Clause
1b Second Main Clause
2       Conditional Clause (māter supplied from 1a)
1 Main Clause
2       Relative Clause
1a First Main Clause
2       Indirect Question (supply id as direct object of "vocāre")
3            Parenthetical Causal Clause
1b Second Main Clause Begins
1c Second Main Clause Continues
1d Second Main Clause Continues
4       Comparison Clause
1e Second Main Clause Concludes
1a Main Clause Begins
2       Relative Clause
3a            Temporal Clause Begins (videt supplied from 3b)
3b            Temporal Clause Concludes
1b Main Clause Concludes
1 Main Clause (supply maneō or sum)