Which answer best describes what this script does?

$1$ BEGIN $\{$

$2$ MYVAR$=0$

$3\}$

$4\{$

$5$ OC$[$$$1]++$

$6\}$

$7$ END $\{$

$8$ for $($C in OC$)\{$

$9$ print C$,$OC$[$C$]$

$10\}$

$11\}$

Group of answer choices

Does nothing; arrays must be indexed with an integer

Does nothing; the array used on line $5$ was never declared

Prints a list of field $1$ values and a count of how many times that value was encountered

Runs, but prints nothing. The process block is missing a pattern statement