Answer:
It is the 3rd answer choice.
Explanation:
Because since whales are big mammals, then it could be concluded that they are really heavy....even at birth.
Situational irony is occurring as the character push the date of s.u.i.c.i.d.e to Valentine's day however due to their constant journey to finding purpose they keep pushing the date even further until the day they decide that they have way too much stuff to leave behind thereby quitting the idea of s.u.i.c.i.d.e.