One who redeems maaser sheni but did not designate it by name, R' Yose says: This is sufficient; R' Yehudah says: He must specify. [If] he was talking with a woman about matters of her divorce or her betrothal, and he gave her her bill of divorce or [an object to effect] her betrothal, but did not specify, R' Yose says: This is sufficient. R' Yehudah says: He must specify.