Simplify the given expression.
\(\frac{\left(2 \frac{1}{7}+6 \frac{1}{7}\right) \div \frac{9}{7}}{1 \frac{1}{9} \div\left\{\frac{7}{9}+\left(\frac{4}{9} \div \frac{4}{3}\right)\right\}} \)
1
\(\frac{56}{9} \)
2
\(\frac{55}{9}\)
3
\( \frac{58}{9}\)
4
\( \frac{53}{9}\)