Problem: Does "William Henry Perkin studied and worked at the college under von Hofmann, but resigned his position after discovering the first synthetic dye, mauveine, in 1856." answer the question "Who discovered the first synthetic dye?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Under the Act, slaves were granted full emancipation after a period of 4 to 6 years of "apprenticeship"." answer the question "How long of an 'apprenticeship' did slaves need to have before being fully freed?" OPTIONS:
- yes
- no

A: yes

Problem: Does "However, some have questioned the ability of the Marshall Islands to enforce this zone." answer the question "In what month and year did the Marshall Islands declare the largest shark sanctuary in the world?" OPTIONS:
- yes
- no

A:
no