In the table below, cars \( X, Y, Z, T, K \), and \( L \) are numbered from 1 to 6 and evaluated based on three criteria.
\begin{tabular}{|l|l|l}
\hline & Security & Comfort \\
\hline Car 1 & +++ & ++ \\
\hline Car 2 & +++ & ++ \\
\hline Car 3 & +++ & ++ \\
\hline Car 5 & ++ & +++ \\
\hline Car 5 & +++ & ++++ \\
\hline Car 6 & + & +++ \\
\hline
\end{tabular}
The following is known about the evaluation results:
-The safety ratings of cars \( X, Z \), and \( T \) are 1 less than their fuel efficiency ratings.
\( -K \) is ranked first in fuel efficiency.
-The safety rating of \( Y \) is equal to the comfort
rating of \( L \).
-The comfort rating of T is 4.
Which of the following is definitely true about the cars?
The comfort rating of \( Y \) is 3 .
One of the safest cars is \( X \).
The fuel efficiency ratings of \( Y \) and \( X \) are equal.
The comfort rating of T is 2 points higher than that of Y .
The total score of K is 12 .
