Twelve of Jupiter's moons are relatively small and seem to have been more likely captured than to have been formed in orbit around Jupiter.
Twelve of Jupiter's  are very large
( z1 large :degree ( z2 very ) :domain ( z3 planet :quant 12 :ARG1-of ( z4 include :ARG2 ( z5 planet :name ( z6 name :op "Jupiter" ) ) ) ) )