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I was asking for more hours, but found myself with a mild cold. I couldn’t decide whether to find a sub or keep the hours that I was already limited to.

B: Keep everyone safe from the risk of getting sick.
D: Find a substitute to cover for me during a mild cold.
A: Work enough hours to cover my living needs.
D-D':Assumption(s)Injection(s)
It is impossible to find a sub and work the shift. Someone could swap shifts with me.
C: Work enough hours to cover living needs.
D': Keep the shift because I need the hours.

In order to Work enough hours to cover my living needs. I must Keep everyone safe from the risk of getting sick. and in order to Keep everyone safe from the risk of getting sick. I must Find a substitute to cover for me during a mild cold.. But, in order to Work enough hours to cover my living needs. I must also Work enough hours to cover living needs. and in order to Work enough hours to cover living needs. I must Keep the shift because I need the hours. . I can't both Find a substitute to cover for me during a mild cold. and Keep the shift because I need the hours. .

RelationAssumption(s)Injection(s)
D-D'It is impossible to find a sub and work the shift. Someone could swap shifts with me.
B-Dkeeping the shift will likely result in spreading of sickness. The mild sickness is unlikely to spread.
C-D'No other shifts will be available for me to take when I am feeling better.Someone else will need a substitute for their shift.