Info, Warning and Error are the three types of output supported by the info log.
Info and Error are correct. However, the box output is not based from the Info Log output, but from the Box output type.
Error is a correct choice. However, the box output is from the output type of Box, and the Dialog output is from the output type of Dialog button.
Info is a correct output type for the Info Log type. However, Dialog and Box outputs are of the Dialog button and Box output types, not the Info Log output type.