The points in the graph below represent the halts of a lift for a durations of $1$ minute, over a period of $1$ hour.

Which of the following statements are correct?

1. The elevator moves directly from any non-ground floor to another non-ground floor over the an hour period.
2. The elevator stays on the fourth floor for the longest duration over the one hour period.
1. Only i
2. Only ii
3. Both i and ii
4. Neither i nor ii

edited

$i)$ False. Elevator moves from non grounded floor to another non grounded floor in some cases, but not for all cases.
$ii)$ False. Elevator stays on ground floor for longest period of time