Premise:
"Overall, world food prices have more than halved since 1975, Bailey said."
Hypothesis: World food prices have risen.

no

Premise:
"you know because they might not be really be sick and at the hospital they um did an electrocardiogram"
Hypothesis: They may not be sick.

yes

Premise:
"Traditionally, personal saving had been a key source of net national saving available for new investment."
Hypothesis: Personal savings includes the balances of both savings and checking accounts.
it is not possible to tell