Question $2(1$ point$)$

$$

Identify which of the sentences below correctly uses commas with nonrestrictive clauses:

Question $2$ options:

$1)$

Robocalls, an increasing problem, have become a big nuisance.

$2)$

Robocalls an increasing problem, have become, a big nuisance.

$3)$

Robocalls, an increasing problem have become a big nuisance.

$4)$

Robocalls an increasing problem have become a big nuisance.