Deciding where to eat Lunch
B: Eat something quick and reduce my carrying amount on campus
D: Eat at Qdoba
A: Tend to my hunger
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C: Save money and do not eat out
D': Pack a Lunch
In order to Tend to my hunger I must Eat something quick and reduce my carrying amount on campus and in order to Eat something quick and reduce my carrying amount on campus I must Eat at Qdoba. But, in order to Tend to my hunger I must also Save money and do not eat out and in order to Save money and do not eat out I must Pack a Lunch. I can't both Eat at Qdoba and Pack a Lunch.
| Relation | Assumption(s) | Injection(s) |
| B-D | dsfd | |
| C-D' | sdgad | |
| A-B | qwe | |
| A-C | dfag |