T4W5 TS Q21 – Selective High School

Whoever burnt their arm must have had access to the stove and is danger-prone.

If this is true,

which of the below sentences must be true?

If Stella did not burn her arm, she is not danger-prone. If Stella does not have access to the stove and is not danger prone, she did not burn her arm. If Stella did not burn her arm, she does not have access to the stove. Stella is danger-prone and has access to the stove. She must have burnt her arm.

Are you sure you want to leave?

which of the below sentences must be true?