What problems are there with the following 'laundry list' approach to the following issue:Too many private cars$=>$Inadequate public transport$=>$congestionInsufficient road networks$=>$Check two options$\mathrm{.}1.$ It suggests a one$-$way relationship between the causes and the effect$\mathrm{.}2.$ It suggests that each factor is of equal importance$\mathrm{.}3.$ It doesn't provide any solutions to the problem$\mathrm{.}4.$ It suggests that there are only three causes that contribute to the issue.