The statements below are followed by two assumptions labeled I and II . Assuming that the information in the statements is true, even if it appears to be at variance with reality, decide which assumption(s) logically and definitely valid from the information given in the statements.
Statements:
Some water is polluted.
Pollution is caused by dirt.
Assumptions:
I. People throw dirt in the water.
II. Factories release dirt in the water.
1
Neither assumptions are valid
2
Only assumption I is valid
3
Both assumptions are valid
4
Only assumption II is valid