Premise:
"Leading east from the square is Kasr El-Nil Street lined with western-style shops and restaurants."
Hypothesis: From the west of the Square you can find shops and restaurants.

no

Premise:
"However, in either case (material variance or no variance) each employee's T&A record must be approved by the supervisor or comparable official."
Hypothesis: Each employees T&A record must be approved by the supervisor or comparable official.

yes

Premise:
"Many important dignitaries have visited the house, and it has become a tradition for trees to be planted to mark each special occasion."
Hypothesis: Several presidents of the United States have visited the House.
it is not possible to tell