Answer:
an unwanted event that causes something to fail or could fail soon. example: The problem with twigs is that they break easily. (the problem is that it wont be very good at building stuff)
wow nice lyrics. i would rate an 8 because i can't say much without listening to the music lol. overall it's awesome :)
Since a speculation does not have firm evidence, it is a hypothesize.
So the final answer is:-
C. Hypothesize