It has been an easy target of terrorists to plant bombs , so if you are traveling through a bus , you accept the risk .
It has been an easy target for terrorists to plant bombs , so if you are traveling on a bus , you accept the risk .
It has been an easy target for terrorists to plant bombs , so if you are traveling on a bus , you accept the risk .
Improve the grammaticality of this sentence: It has been an easy target of terrorists to plant bombs , so if you are traveling through a bus , you accept the risk . Output: