Which of the following statements about the given reaction are correct ?

$\text{3Fe(s)}+4{\text{H}}_{\text{2}}\text{O}\left(\text{g}\right)\to {\text{Fe}}_{\text{3}}{\text{O}}_{\text{4}}\left(\text{s}\right)+4{\text{H}}_{\text{2}}\left(g\right)$

i) Iron metal is getting oxidised            ii) Water is getting reduced

iii) Water is acting as reducing agent  iv) Water is acting as oxidising agent