そういえば => Speaking of .., A by the way, A; N2
Considering, Concerning
そういえば => come to think of it; now that you mention it ~ N2
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
...そうにみえる => to look; to seem; to appear N4
Speculation
と言う/と言っていた => you could say; one might say; I'd say ~ N5
からこそ/~ばこそ/こそ => precisely because ~ N2
ばこそ => only because ~ N1
と[言「い」]わせれば => On the view of N1
Based/focused/depending on
と[言「い」]うのは => Means, is N3
Information, Report
その[上「うえ」] => Not only A, but B (as well) N3
Not only, Not even
例えば => for example; for instance ~ N3
といえば/というと/といったら => N3
Considering, Concerning