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

Carex tricephala is a species in the genus "Carex", family Cyperaceae. It is one of only about seven species in "Carex" sect. "Scabrellae". Members of this section have leaf-like bracts, and small spicate inflorescences. "Carex tricephala" is native to Southeast Asia, reported from Cambodia, Indonesia, Laos, Myanmar, Thailand, Vietnam and the Chinese province of Yunnan.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: This is an endangered species with life span of 10 years
****
Answer:
It's impossible to say

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

Because I Said So is a 2007 romantic comedy film directed by Michael Lehmann and starring Diane Keaton, Mandy Moore, Lauren Graham, Piper Perabo, Gabriel Macht and Stephen Collins. It was released on February 2, 2007. The film received negative reviews from critics.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Because I Said So was written by Lehmann.
****
Answer:
It's impossible to say

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

Music 2<br>I turned on music to help me concentrate. It began to energize me. I started working faster and more efficiently. I really enjoyed listening to the music. I played it all day long for motivation.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: They had no ability to concentrate without music.
****
Answer:
It's impossible to say