Swahili is a language which allows both null subjects and null objects. What is the likely structure for the following Swahili sentence. $($The information $3sS$ and $3sO$ in the gloss line mean agreement with a $3$rd person singular subject and a $3$rd person singular object, respectively.$)$

$A-$na$-$m$-$penda.

$3$sS$-$PRES$-3$sO$-$like

$\text{'}$He likes her.$\text{'}$