彼女はそのドレスに合わせてつけるスカーフを選んだ。

she; her; her; girlfriend; sweetheart

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

dress

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to match (rhythm, speed, etc.); to join together; to unite; to combine; to add up; to face; to be opposite (someone); to compare; to check with; to cause to meet (e.g. an unpleasant fate); to place together; to connect; to overlap; to mix; to combine; to put blade to blade; to fight

scarf

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to choose; to select