    Sentence 1: 'm an underweight person who is  trying to gain some muscle weight. Im going to  the gym and have increased my diet. Should  I-continue drinking green tea?    Sentence 2: !'m 14 years old and 1 weigh 74 kg.  Can 1 gain 4.6kq muscle and lose 15kq fat if |  go,to gym for 2 months?