Correct Option: B

vague (Adjective) : not clear in a person’s mind ; suggesting a lack of clear thought or attention; indistinct precise (Adjective) : clear and accurate ; exact ; meticulous
indecent (Adjective) : thought to be morally offensive
incorrect (Adjective) : not accurate or true
indistinct (Adjective) : vague ; that cannot be seen, heard or remembered clearly