Answer:
1. Hello. How are you?
2. Hello. My name is _____. What is your name?
3. (Pleased, Happy, Glad) to meet you, too.
4. I'm sorry to leave so quickly, but it's been a pleasure.
5. Excuse me?
Explanation:
The answer is the first option. Let me explain. The question is telling you to choose a pair of words that are not related.
Piscina; ir al cine = Swimming pool; go to the cinema
Televisor; Mirar = Television; watch
Tiempo libre; relajarse = Free time; relax
Periódico; leer = Newspaper; read