c$.$ Pick one row in the truth table where the final truth value is true.

i$.$ For row $6,$ since $p$ is false, $q$ is true and $r$ is false, then $p(q^{{?}^{{?}^{?}}}r)$ is true. Sunshine Face Lotion is not used, and your skin is radiant and your skin does not have wrinkles, and the final statement is true.

ii$.$ Analyze whether the situation might happen, and under what condition. Based on the result from above, we can conclude that it is possible to get skin that is radiant and has no wrinkles without Sunshine Face Lotion.

$($If you do not use Sunshine Face Lotion, your skin is still radiant and has no wrinkles.$)$

iii. Explain why this situation might happen in real life.

It is possible that if the person is very young or using another product, the company may have lied to us$.[$Maybe the lotion did not work.$]$

d$.$ Pick one row in the truth table where the final truth value is false.

i$.$ For row $4,$ since $p$ is false, $q$ is false and $r$ is false, then $p(q^{{?}^{{?}^{?}}}r)$ is false.

Sunshine Face Lotion is used, your skin is not radiant and your skin has no wrinkles and the final statement is false.

ii$.$ Analyze whether the situation might happen, and under what condition.

Based on the result, we can see that it is possible to use Sunshine Face Lotion and your skin is not radiant and has no wrinkles.

$($If you use Sunshine Face Lotion, and then your skin is not radiant and has no wrinkles$)$

iii. Explain why this situation might happen in real life.

Sunshine Face Lotion did not work.