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: Carex tricephala has healing properties
****
Answer:
It's impossible to say


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

US Secretary of Defense James Mattis prepares to welcome Vice President Mike Pence to the Pentagon in Arlington, Virginia, on Thursday, Dec. 20. EFE-EPA/Erik S. Lesser US President Donald Trump announced Thursday that Gen. James Mattis will leave the post of defense secretary. "General Jim Mattis will be retiring, with distinction, at the end of February, after having served my Administration as Secretary of Defense for the past two years," Trump wrote on Twitter.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: US Secretary of Defense James Mattis invited Donald trump
****
Answer:
No


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

After months of speculation by fans, the rumours that Yoda would return in The Last Jedi were true. The green alien, who died in Return of the Jedi and became a Force ghost could be heard in The Force Awakens, but in its follow-up he turned up in his very own ghostly flesh. Confirming he was a puppet in the style of the original trilogy, Johnson has explained why the 900-year-old Jedi came back. Speaking to Variety, he said: “It really was [a puppet]. I realised Yoda would have a natural place in this.”

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Fans speculated if Yoda would return in Return of the Jedi.
****
Answer:
