The following data: abbbcccccdddd is compressed using a type of run$-$length encoding scheme. The result is: $1$a$3$b$5$c$4$d

Note the original message consists of $1$a$,3$b$$s$,5$c$$s and $4$d$$s$.$

What type of compression is this?

Group of answer choices

Lossy

Lossless

zipped

processed