Which one of the following is an infeasible path in the control flow diagram $($CFG$)$ of the Java method getval? $[$Refer to Figure $1$ of Q$16]$

Question $18$ options:

$1-2-3($F$)-5($F$)-7-8$

$1-2-3($F$)-5($T$)-6-8$

$1-2-3($F$)-5($F$)-7-8$

$1-2-3($T$)-4-8$