Context:
The Tuancheng Fortress or Tuan Cheng Fortress (Chinese: , , "Tuancheng Yanwuting", "Round Wall Fortress") is a historic 18th-century fortress located near the Fragrant Hills in the Haidian District of Beijing, China. Today, the fortress is a national museum and is also known as the Tuancheng Exhibition Hall.
Hypothesis: the fortress has a lot of visitors annually. OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say

Input: OPTIONS:
- Yes
- It's impossible to say
- No

The Battle of Rio de Janeiro was a battle in 1558 on the French town at Rio de Janeiro, called Henriville. The Portuguese, though in far smaller numbers, defeated the French and made them flee to the jungle. The French town was then burnt by Mem de Sa, the Portuguese governor.

Sentence: the Portuguese governor was arrested soon after

Output: It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Song'z U Can't Find is a compilation of Celly Cel's guest appearance on other rappers albums and compilations. The project was released in 2002 for Boss Up Muzik and was produced by Celly Cel, Studio Ton and G-Man Stan. This compilation marked the first Celly Cel album not to chart on any album charts. Guests include E-40, B-Legit, Rappin' 4-Tay, WC, Baby Beesh and C-Bo.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Celly Cel was a popular rapper
****
Answer:
It's impossible to say

[Q]: The Copenhagen Consensus Center is a US non-profit think tank, founded and headed by Bjrn Lomborg. The Center organizes the Copenhagen Consensus, a conference of prominent economists held every four years, where potential solutions to global issues are examined and prioritized using cost-benefit analysis. Bjrn Lomborg has founded other non-profits besides The Copenhagen Consensus Center. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

Problem: Sidalcea oregana" var. "calva, the Wenatchee Mountains checker-mallow, is a very rare flowering plant variety that occurs only in five locations in the Wenatchee Mountains of Chelan County, Washington, United States. The plant has been placed on the Endangered species list. It is the rarest known plant in Washington state.

Based on the paragraph above can we conclude that "the Wenatchee Mountains checker-mallow is so rare that some people are paying in excess of $500 for a single flower."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Context:
The Brown Spectator is a student-run journal of conservative and libertarian political writing at Brown University. It was originally the product of a student independent project. It was first published in 1984 "as a two-page offering of student writing on brightly colored paper".
Hypothesis: The journal is published at Yale. OPTIONS:
- Yes
- It's impossible to say
- No
No