Writers of poems seem to know the answer to questions on the outside of a greeting card

The writer of poems seems to know from a card The contents within, it doesn't come hard For the question on the front, gives the answer you see A writer seems to know what the next line will be Just take a moment, when you go the store Pick up a card and read the front, and no more Than tell yourself what you think is inside Not many responses, from a writer will hide