Question:
All her friends spoke of her as Rita.

Does it follow that "Her friends called her Rita because it is short for Margarita."?
Answer:
it is not possible to tell

Question:
are you still there this is something's wrong i don't know it sounds funny though doesn't it

Does it follow that "It sounds strange and so I wonder if you are still on the line."?
Answer:
yes

Question:
As such, Norplant is the only contraceptive the government could pay people to use with any hope of affecting those who aren't strongly motivated to either become pregnant or avoid pregnancy.

Does it follow that "Norplant is not the only contraceptive on the market, but it is the most effective."?
Answer:
it is not possible to tell

Question:
The station is a home for its entrance hall and platforms are dormitory and kitchen.

Does it follow that "The entrance hall is found in the station."?
Answer:
yes