Assertion: obstacle | /r/HasProperty | stumbling block
Facets:
Source sentences:
text: To distinguish between obstacles and conflict, consider that an obstacle is a stumbling block or a challenge (such as a disability or a language barrier, and so on) but a conflict is a rival (two friends competing against each other for the same prize, for example) or hostile force (it may be another person or it may be an inner struggle which threatens the main character's objectives.)
text: An obstacle (also called a barrier, impediment, or stumbling block) is an object, thing, action or situation that causes an obstruction.