SiH4 was a gas, as was SiF4, SiCl4 was a liquid with a low boiling point.
(SiCl4; was; a liquid with a low boiling point) Context(SiCl4 was,List([29, 38))):(SiH4; was; a gas)
SiCl4 was,List([29, 38))
SiCl4 SiH4
was was
a liquid with a low boiling point
a gas