Which pair of instructions does not cause data hazard?

sub $$2,$$$1,$$$3$

and $$12,$$$2,$$$5$

and $$13,$$$1,$$$5$

or $$12,$$$13,$$$1$

lw $$1,100($$$2)$

or $$13,$$$3,$$$s1$

add $$14,$$$2,$$$1$

or $$12,$$$2,$$$1$