Several major manufacturers of <e1>chain</e1> <e2>saws</e2> claim to have invented the first chain saw and all their claims point to the 1920s.
Several major manufacturers of
Several major manufacturers of chain saws claim to have invented the first chain saw and all their claims point to the 1920s.
<triplet> chain <subject> saws <object> Component-Whole(e1,e2)