A relation $R(ABCDEFGHIJ)$ with functional dependency set
$F={AB\rightarrow C , A\rightarrow DE , B\rightarrow F , F\rightarrow GH, D\rightarrow I J}$ , and the decomposition of $R$ is
${R1(ABCD) , R2(DE) ,R3(BF),R4(FGH),R5(DIJ)}.$
Which of the following is/are true?
$1.$lossless
$2.$lossy
$3.$Not dependency preserving
$4.$Dependency preserving