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

Ribonuclease V1 (RNase V1) is a ribonuclease enzyme found in the venom of the Caspian cobra ("Naja oxiana"). It cleaves double-stranded RNA in a non-sequence-specific manner, usually requiring a substrate of at least six stacked nucleotides. Like many ribonucleases, the enzyme requires the presence of magnesium ions for activity.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Ribonuclease requires the presence of magnesium ions to slow its activity.
****
Answer:
No

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

Boban Rajovic (] , born 25 December 1971) is a Danish-born Montenegrin singer popular in former Yugoslavia. Some of his big hit songs include "Usne boje vina" ("Lips the Color of Wine") and "Provokacija" ("Provocation".) He has lived in Belgrade since 2000.

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Boban Rajovic moved to Belgrade in 2000
****
Answer:
Yes

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

Luis Walter Alvarez (June 13, 1911 September 1, 1988) was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968. The American Journal of Physics commented, "Luis Alvarez was one of the most brilliant and productive experimental physicists of the twentieth century."

OPTIONS:
- Yes
- It's impossible to say
- No
Hypothesis: Luis Walter Alvarez worked with Albert Einstein.
****
Answer:
It's impossible to say