The sentence "Moreover, it is probably just as valuable or more valuable to us now, than it was in the ancient past".
1. "Annabel Lee" is an example of a sestet. This means that a stanza consists of 6 lines.
2. "In Memoriam" is an example of a quatrain. This means that a stanza consists of 4 lines.
3. "Nothing Gold Can Stay" is an example of an octave. This means that a stanza consists of 8 lines.
4. "Hero and Leander" is an example of a couplet. This means that the successive lines in a stanza have the same number of syllables, and each two lines rhyme.
The answer is to this problem is 4