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

Charantin is a chemical substance obtained from the Asian bitter melon ("Momordica charantia"), reputed to be responsible for the hypoglycaemic properties of those plants. It was identified by Lolitkar and Rao in 1960. It was also found in the similar African species "M. foetida", by A. Olaniyi in 1975, under the name foetidin.

Sentence: There are over one dozen melon species in Africa.

Output: It's impossible to say

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

Oil prices this Tuesday rose sharply in New York and London reaching a record 42,33 US dollars per barrel, 2.45 US dollars more than last Friday.

Sentence: Oil prices are higher than there were last Tuesday.

Output: It's impossible to say

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

Still, the storm surge was both stronger and earlier than expected, apparently coming through waterways southeast of the city, said Col. Richard Wagenaar, the Army Corps of Engineers' district chief in New Orleans.

Sentence: The original statement was said by Richard Wagenaar

Output: Yes

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

The garden was full of ripe odours and warm colours .<br>The Lombardies around it were tall and sombre like the priestly forms of some mystic band .<br>Abel was sitting in the hop-vine arbour ; beside him Captain Kidd slept .<br>I thought Abel was asleep , too ; his head leaned against the trellis and his eyes were shut .

Sentence: The people both had there eyes closed

Output:
Yes