Of the provided options, the signature that begins with a warm and personal greeting best conveys sincere feelings, as shown in the following example:

"Dear Vasya, how are you doing?

Heartfelt Signature Note

Of the provided options, the signature that begins with a warm and personal greeting best conveys sincere feelings, as shown in the following example:"Dear Vasya, how are you doing?

Do you have moments when you feel particularly happy? I hope that you remember the important things and continue making music. It is so important for your soul. Tell me, how is the little one? Has he already decided what he wants to be when he grows up? May he definitely play Mozart. Olya writes about your successes, and it fills me with confidence." (source: link txt)

This option skillfully combines care, sincerity, and personal attention. The warm and relaxed tone of this signature makes it ideal for a note accompanying a bouquet, allowing the recipient to feel the full depth of the sender's emotions.

Supporting citation(s):
"Dear Vasya, how are you doing? Do you have moments when you feel particularly happy? I hope that you remember the important things and continue making music. It is so important for your soul. Tell me, how is the little one? Has he already decided what he wants to be when he grows up? May he definitely play Mozart. Olya writes about your successes, and it fills me with confidence." (source: link txt)