Problem: Does "It can, for instance, bring the wave to a focus or alter the wave front in other ways, generally in order to maximize the directivity of the antenna system." answer the question "A refractor can be compared to what type of viewing?" OPTIONS:
- yes
- no

A: no

Problem: Does "The Confederate capital was abandoned in April 1865 and Lee subsequently surrendered his army at Appomattox Court House; all other Confederate armies surrendered within a few months." answer the question "Who captured Atlanta?" OPTIONS:
- yes
- no

A: no

Problem: Does "The term Iran derives directly from Middle Persian Eran, first attested in a 3rd-century inscription at Rustam Relief, with the accompanying Parthian inscription using the term Aryan, in reference to Iranians." answer the question "What is attested as a self-identifier in Iranian languages?" OPTIONS:
- yes
- no

A:
no