Definition: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Input: Context: 94 Ceti (HD 19994) is a binary star system approximately 73 light-years away in the constellation Cetus., 94 Ceti b or 94 Ceti Ab to distinguish it from the distant red dwarf companion , is an extrasolar planet orbiting its star once every 1.2 years . It was discovered on August 7 , 2000 by a team led by Michel Mayor . It is most stable if its inclination is about 65 or 115 , yielding a mass of about 1.85 that of Jupiter ., Cetus is a constellation. Its name refers to Cetus, a sea monster in Greek mythology, although it is often called 'the whale' today. Cetus is located in the region of the sky that contains other water-related constellations such as Aquarius, Pisces, and Eridanus., Subject: 94 ceti b, Relation: constellation, Options: (A) aquarius (B) cetus
Output:
cetus