Materials which are Skydrol compatible or resistant include most common aircraft metals and polyurethane and epoxy paints.|(2) Skydrol hydraulic fluid is compatible with nylon and natural fibers.|Regarding the above statements,
A: both No. 1 and No. 2 are true.
B: neither No. 1 nor No. 2 is true.
C: only No. 1 is true.