Exercise $1\mathrm{.}2.$ For each of the following, state whether it is a safety or liveness prop$-$ erty. Identify the bad or good thing of interest.

$1.$ Patrons are served in the order they arrive.

$2.$ Anything that can go wrong, will go wrong. $3.$ No one wants to die.

$4.$ Two things are certain: death and taxes.

$5.$ As soon as one is born, one starts dying.

$6.$ If an interrupt occurs, then a message is printed within one second.

$7.$ If an interrupt occurs, then a message is printed.

$8.$ I will finish what Darth Vader has started.

$9.$ The cost of living never decreases.

$10.$ You can always tell a Harvard man.