Problem: Studiu: Persoanele cu un sistem imunitar hiperactiv, mai predispuse sa dezvolte sindromul oboselii cronice Oamenii de stiinta care cerceteaza factorii care stau la baza declansarii unei boli complexe, cunoscute sub numele de sindromul oboselii cronice (Chronic Fatigue Syndrome, CFS), au descoperit indicii in modul in care sistemele imunitare ale unor oameni reactioneaza mai puternic la provocari, informeaza luni Reuters.

Based on the paragraph above can we conclude that "chronic fatigue syndrome is caused by a hyperactive immune system"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Petuvirus is a genus of viruses, in the family Caulimoviridae. Plants serve as natural hosts. There is currently only one species in this genus: the type species Petunia vein clearing virus. Diseases associated with this genus include: plants: chlorotic vein clearing, leaf malformation.

Based on the paragraph above can we conclude that "Petuvirus can sometimes be spread to humans"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: The Secret<br>Abby knew her husband was hiding something. She confronted him about the secret he was keeping. He refused to tell her. The next day, she found a gift on her pillow when she woke up. He had surprised her with a diamond ring!

Based on the paragraph above can we conclude that "The diamond ring was expensive"? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say