Identify the Following Passage as Containing an Argument, Two Arguments

Essay

Identify the following passage as containing an argument, two arguments, or no argument; if it contains an argument, identify the conclusion(s); and, if it contains two arguments, indicate which argument is the principal argument.
Feldspar works at a restaurant at night and teaches during the day. I'd have to bet he's tired most of the time, and that's a good reason for thinking he won't do well in school this term.