dep(implementation:NN:2, which:WDT:1)|||nsubjpass(prefer:VBN:10, implementation:NN:2)|||punct(vs:JJ:5, -lrb-:-LRB-:3)|||advmod(vs:JJ:5, array-based:RB:4)|||dep(implementation:NN:2, vs:JJ:5)|||dep(vs:JJ:5, list-based:JJ:7)|||punct(vs:JJ:5, -rrb-:-RRB-:8)|||auxpass(prefer:VBN:10, be:VBZ:9)|||root(ROOT:ROOT:18, prefer:VBN:10)|||det(queue:NN:13, a:DT:12)|||prep_for(prefer:VBN:10, queue:NN:13)|||conj_and(prefer:VBN:10, why:WRB:16)|||root(ROOT:ROOT:18, why:WRB:16)|||<STOP>
nsubj(preferred:JJ:5, list:NN:1)|||partmod(list:NN:1, base:VBN:2)|||dobj(base:VBN:2, solution:NNS:3)|||cop(preferred:JJ:5, be:VBP:4)|||root(ROOT:ROOT:16, preferred:JJ:5)|||mark(allow:VBP:9, because:IN:7)|||nsubj(allow:VBP:9, they:PRP:8)|||advcl(preferred:JJ:5, allow:VBP:9)|||prep_for(allow:VBP:9, queue:NNS:11)|||det(size:NN:14, any:DT:13)|||prep_of(queue:NNS:11, size:NN:14)|||<STOP>